The Planning Board and District Council may establish administrative procedures to implement the provisions of this Part. The procedures shall not conflict with the provisions of this Part or the Regional District Act.

Effective on: 1/1/1901

After final approval of a plan or plan amendment, the Planning Board shall publish the approved plan and make it available to the public.

Effective on: 1/1/1901

An attested copy of every approved plan shall be certified by the Planning Board and filed with the Clerk of the Circuit Court for both Prince George's and Montgomery Counties.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of the proposed alignment of the Outer Beltway with the Prince George's County-Montgomery County boundary line; northward along the Prince George's County-Montgomery County boundary line to its intersection with the Prince George's County-Howard County boundary line; southeastward along the Prince George's County-Howard County boundary line to its intersection with the northern municipal boundary of the City of Laurel; southward, then westward, then eastward along the western and southern municipal boundaries of the City of Laurel to the intersection with U.S. Route 1; southward along the center line of U.S. Route 1 to its intersection with Muirkirk Road; eastward along the center line of Muirkirk Road to its intersection with the Baltimore and Ohio Railroad tracks, southward along the center line of the Baltimore and Ohio Railroad tracks to its intersection with Indian Creek; northwestward along the center line of Indian Creek to its intersection with the center line of Interstate Route I-95; northward along the center line of Interstate Route I-95 to its intersection with the center line of the proposed alignment of the Outer Beltway; westward along the center line of the proposed alignment of the Outer Beltway to its intersection with the Prince George's County-Montgomery County boundary line, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the Prince George's County-Montgomery County boundary line with the center line of the proposed alignment of the outer beltway, eastward along the center line of the outer beltway to its intersection with the center line of I-95, southward along the center line of I-95 to its intersection with Indian Creek, southeastward along the center line of Indian Creek to its intersection with the B&O Railroad tracks, southward along the center line of the B&O Railroad tracks to the center line of I-495, westward along the center line of I-495 to the boundary line of the City of College Park, northward, then westward along the boundary line of the City of College Park to the center line of U.S. Route 1, northward along the center line of U.S. Route 1 to the southern boundary line of the Beltsville Agricultural Research Center, westward then southward along the boundary line of the Beltsville Agricultural Research Center to the center line of I-495, westward along the center line of I-495 to the southeastern boundary line of the Beltsville Agricultural Research Center, northward, then westward along the boundary line of the Beltsville Agricultural Research Center to the center line of I-95, southward along the center line of I-95 to the center line of Paint Branch, northwestward along the center line of Paint Branch to the Prince George's County-Montgomery County boundary line, the point of origin.

(CB-9-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of the Baltimore and Ohio Railroad tracks with the center line of Powder Mill Road; northward along the center line of the Baltimore and Ohio Railroad tracks to its intersection with the center line of Muirkirk Road; westward along the center line of Muirkirk Road to its intersection with the center line of U.S. Route 1; northward along the center line of U.S. Route 1 to the municipal boundary line of the City of Laurel; northward along the eastern boundary line of the City of Laurel to its intersection with the Prince George's County-Anne Arundel County boundary line; eastward along the Prince George's County-Anne Arundel County boundary line to its intersection with the western boundary line of the Beltsville Agricultural Research Center; southward, then westward along the northern boundary line of the Beltsville Agricultural Research Center to its intersection with the center line of the Baltimore-Washington Parkway; southward along the center line of the Baltimore-Washington Parkway to the center line of Powder Mill Road; westward along the center line of Powder Mill Road to its intersection with the center line of the Baltimore and Ohio Railroad tracks, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Maryland Route 193 (Greenbelt Road) with the center line of Soil Conservation Service Road; northward along the center line of Soil Conservation Service Road to its intersection with the northern boundary line of the Goddard Space Flight Center; westward along the northern boundary line of the Goddard Space Flight Center to its intersection with the eastern boundary line of the City of Greenbelt; northward along the boundary line of the City of Greenbelt to its intersection with the center line of the Baltimore-Washington Parkway (I-295); northward along the center line of the Baltimore-Washington Parkway (I-295) to the northern boundary line of the Beltsville Agricultural Research Center; eastward along the northerly and westerly boundary line of the Beltsville Agricultural Research Center to its intersection with Maryland Route 197 (Laurel-Bowie Road) at the northeasternmost point of Parcel 5, Tax Map 15; and thence continuing northward along the western boundary line of the Patuxent Wildlife Research Center; north along the boundary line of the Patuxent Wildlife Research Center to the Prince George's County-Anne Arundel County boundary line at the Patuxent River; southeastward along the Prince George's County-Anne Arundel County boundary line to its intersection with the easternmost boundary of the Patuxent Wildlife Research Center defined by a point along the Patuxent River where Parcels 34 and 55 intersect (Tax Map 22, Grid D-2); southwestward along the southeast boundary line of the Patuxent Wildlife Research Center to its intersection with Jericho Park Road; northwestward along the center line of Jericho Park Road to the southeast boundary line of the Patuxent Wildlife Research Center; southward along the boundary line of the Patuxent Wildlife Research Center to its intersection with Maryland Route 197 (Laurel-Bowie Road); northward along the center line of Maryland Route 197 (Laurel-Bowie Road) to the southeast boundary line of the Patuxent Wildlife Research Center; southwestward along the boundary line of the Patuxent Wildlife Research Center to its intersection with Springfield Road; southeastward along the center line of Springfield Road to its intersection with Good Luck Road; southwestward along the center line of Good Luck Road (except to follow the boundary lines of, and exclude, the Prince George's County Sports Center property owned by the Maryland-National Capital Park and Planning Commission, north of Good Luck Road, described as Tax Map 27, Grid F-3, Parcel 1) to Maryland Route 193 (Greenbelt Road), westward along the center line of Maryland Route 193 (Greenbelt Road) to its intersection with Soil Conservation Service Road, the point of origin.

(CB-104-1988)

Effective on: 1/1/1901

Boundary: Starting at the center of the interchange of I-495 and I-95, southward from the interchange approximately 1400 feet to the western right-of-way line of the PEPCO power line, southwestward along the western right-of-way line of the PEPCO power line to the center line of the Northwest Branch, southward along the center line of the Northwest Branch to the center line of Ager Road, northwestward along the center line of Ager Road to the boundary line of the Northwest Branch Park Unit No. 1, southwestward along the boundary line of the Northwest Branch Park Unit No. 1 to the center line of Chillum Road, eastward along the center line of Chillum Road to 19th Avenue at the western boundary line of the Carroll Manor Nursing Home and Saint Anne's Infant and Maternity Home property (known as Carroll Manor, parcels A and B, identified in Plat Book WWW 31-97), southwestward along the western boundary line of the Carroll Manor Nursing Home and Saint Anne's Infant and Maternity Home property to the northeastern side of Eastern Avenue, northwestward along the northeastern side of Eastern Avenue to the Prince George's County-Montgomery County boundary line, to the center line of Paint Branch, southeastward along the center line of Paint Branch to the center line of I-95, southward along the center line of I-95 to the center line of I-495, the point of origin.

(CB-9-1985)

Effective on: 1/1/1901

Boundary: Starting at the center of the interchange of Interstate Route with the Capital Beltway; northward along the center line of Interstate Route to the boundary line of the Beltsville Agricultural Research Center; eastward and southward along the boundary line of the Beltsville Agricultural Research Center to the center line of the Capital Beltway; eastward along the center line of the Capital Beltway to the Beltsville Agricultural Research Center boundary line; northward and eastward along the Beltsville Agricultural Research Center boundary line to the center line of U.S. Route 1; southward along the center line of U.S. Route 1 to the City of College Park boundary line; eastward, then southward along the City of College Park boundary line to the center line of the Capital Beltway; eastward along the center line of the Capital Beltway to the center line of the Baltimore and Ohio Railroad tracks; southward along the center line of the Baltimore and Ohio Railroad tracks to the southern boundary line of the Town of Berwyn Heights; eastward along the boundary line of the Town of Berwyn Heights to the center line of Edmonston Road; southward along the center line of Edmonston Road to a point approximately one hundred (100) feet south of Old Calvert Road, at the boundary line of the Town of Riverdale; westward along the boundary line of the Town of Riverdale to the center line of U.S. Route 1; southward along the center line of U.S. Route 1 to the center line of East-West Highway; westward along the center line of East-West Highway to the center line of Adelphi Road; northward along the center line of Adelphi Road to the center line of Wells Parkway; northwestward along the center line of Wells Parkway to the center line of Gumwood Drive; westward along the center line of Gumwood Drive to a point on Gumwood Drive at Northwest Branch Park (approximately six hundred fifty (650) feet west of Stanford Street); northwestward from this point to the center line of the Northwest Branch of the Anacostia River; northward along the center line of Northwest Branch to the western right-of-way line of the PEPCO power line; northward along the PEPCO power line to a point approximately one thousand four hundred (1,400) feet south of the center of the interchange of the Capital Beltway and Interstate Route 95 northward to the center line of the interchange of the Capital Beltway and Interstate Route 95, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the center of the interchange of the Baltimore-Washington Parkway with Powder Mill Road; southward along the center line of the Baltimore-Washington Parkway to the eastern boundary line of the City of Greenbelt; southward along the eastern boundary line of the City of Greenbelt to the northern boundary line of the Goddard Space Flight Center; eastward along the northern boundary line of the Goddard Space Flight Center to the center line of Soil Conservation Service Road; southeastward along the center line of Soil Conservation Service Road to the center line of Greenbelt Road; westward along the center line of Greenbelt Road to the main entrance to the Goddard Space Flight Center (opposite Cipriano Road); southward along the center line of Cipriano Road to the center line of Good Luck Road, westward along the center line of Good Luck Road to the center line of Kenilworth Avenue; northward along the center line of Kenilworth Avenue to the center line of Old Calvert Road; westward along the center line of Old Calvert Road to the center line of Edmonston Road; northward along the center line of Edmonston Road to the southern boundary line of the Town of Berwyn Heights; westward along the Town of Berwyn Heights boundary line to the center line of the Baltimore and Ohio Railroad tracks; northward along the center line of the Baltimore and Ohio Railroad tracks to the center line of Powder Mill Road; eastward along the center line of Powder Mill Road to its interchange with the Baltimore-Washington Parkway, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at a point on the center line of Kenilworth Avenue approximately one hundred (100) feet south of Old Calvert Road; southwestward along the center line of Kenilworth Avenue to its intersection with Buchanan Street; northwestward along the center line of Buchanan Street to its intersection with Tanglewood Drive; northward along the center line of Tanglewood Drive to its intersection with the Northeast Branch of the Anacostia River; southward along the center line of the Northeast Branch to its intersection with the Northwest Branch; southward along the center line of Northwest Branch to the boundary line of the District of Columbia; northeastward along the boundary line of the District of Columbia to the northwestern side of Eastern Avenue; along the northeastern side of Eastern Avenue to a point approximately two thousand six hundred (2,600) feet beyond the center line of Queens Chapel Road, at the western property line of the Saint Anne's Infant and Maternity Home and the Carroll Manor Nursing Home (known as Carroll Manor, Parcels A and B, identified in Plat Book WWW 31-97); northeastward along the western property line of the Saint Anne's Infant and Maternity Home and the Carroll Manor Nursing Home to the intersection of 19th Avenue and Chillum Road; westward along the center line of Chillum Road to the western boundary line of the Northwest Branch Park Unit No. 1; northeastward along the boundary line of the Northwest Branch Park Unit No. 1 to the center line of Ager Road; southeastward along the center line of Ager Road to the center line of Northwest Branch; northward along the center line of Northwest Branch to a point approximately two thousand (2,000) feet due south of the center line of University Boulevard; southeastward to the center line of Gumwood Drive; eastward along the center line of Gumwood Drive to the center line of Wells Parkway; southeastward along the center line of Wells Parkway to the center line of Adelphi Road; southeastward along the center line of Adelphi Road to the center line of East-West Highway; eastward along the center line of East-West Highway to the center line of U.S. Route 1; northward along the center line of U.S. Route 1 to the boundary line of the Town of Riverdale; eastward along the boundary line of the Town of Riverdale to the center line of Kenilworth Avenue, at a point approximately one hundred (100) feet south of Old Calvert Road, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the center line of the Capital Beltway where it crosses the center line of Good Luck Road; southward along the center line of the Capital Beltway to the boundary line of the City of New Carrollton; along the boundary line of the City of New Carrollton in a clockwise direction until it returns to the center line of the Capital Beltway; southward along the center line of the Capital Beltway to the center line of the Pennsylvania Railroad tracks; southwestward along the center line of the Pennsylvania Railroad tracks to the center line of U.S. Route 50; southwestward along the center line of U.S. Route 50 to the boundary line of the District of Columbia; northwestward along the boundary line of the District of Columbia to its intersection with the Anacostia River; northward along the center line of the Anacostia River to the intersection of the Northwest Branch and the Northeast Branch; northeastward along the center line of Northeast Branch to its intersection with Tanglewood Drive; southward along the center line of Tanglewood Drive to its intersection with Buchanan Street; southeastward along the center line of Buchanan Street to its intersection with Kenilworth Avenue; northeastward along the center line of Kenilworth Avenue to its intersection with Good Luck Road; eastward along the center line of Good Luck Road to the center line of the Capital Beltway, the point of origin.

(CB-22-1985)

Effective on: 1/1/1901

Boundary: Starting at the center line of Greenbelt Road at the main entrance to the Goddard Space Flight Center; eastward along the center line of Greenbelt Road to the center line of Good Luck Road; northeastward along the center line of Good Luck Road to the center line of Springfield-Hillmeade Park, with a northern appendage being the proposed park site that is bounded by the Goddard Space Flight Center and the Beltsville Agricultural Research Center, north of Good Luck Road; southward along the center line of Springfield Road and Hillmeade Road to the center line of Maryland Route 450; southwestward along the center line of Maryland Route 450 to the center line of Maryland Route 556, southward along the center line of Maryland Route 556 to the center line of U.S. Route 50; westward along the center line of U.S. Route 50 to the center line of the Capital Beltway; northward along the center line of the Capital Beltway to the center line of Good Luck Road (except to follow the boundary lines of, and exclude, the incorporated limits of the City of New Carrollton); eastward along the center line of Good Luck Road to the center line of Cipriano Road; northward along the center line of Cipriano Road to its intersection with the center line of Greenbelt Road at the main entrance to the Goddard Space Flight Center, the point of origin.

(CB-33-1985)

Effective on: 1/1/1901

Boundary: Starting at the center line of U.S. Route 50 where it crosses the center line of Maryland Route 193 (Enterprise Road); northward along the center line of Maryland Route 193 (Enterprise Road) to its intersection with Maryland Route 450; northeastward along the center line of Maryland Route 450 to its intersection with Hillmeade Road; north along the center line of Hillmeade Road and Springfield Road to the southern boundary line of the Patuxent Wildlife Research Center; northeastward along the southeastern boundary line of the Patuxent Wildlife Research Center to its intersection with Maryland Route 197 (Laurel-Bowie Road); south along the center line of Maryland Route 197 (Laurel-Bowie Road) to its intersection with the southeastern boundary line of the Patuxent Wildlife Research Center; east then north along the boundary line of the Patuxent Wildlife Research Center to its intersection with Jericho Park Road; southeast along the center line of Jericho Park Road to its intersection with the southeastern boundary line of the Patuxent Wildlife Research Center; northeast along the boundary line of the Patuxent Wildlife Research Center to the Patuxent River at the Prince George's County-Anne Arundel County boundary line; southward along the Prince George's County-Anne Arundel County boundary line to its intersection with U.S. Route 50; westward along the center line of U.S. Route 50 to the center line of Maryland Route 193 (Enterprise Road) (excepting and excluding the incorporated limits of the City of Bowie, defined as Planning Area 71B, north of U.S. Route 50), the point of origin.

(CB-33-1985; CB-104-1988)

Effective on: 1/1/1901

Boundary: Municipal boundaries of the City of Bowie.

(CB-33-1985)

Effective on: 1/1/1901

Boundary: Starting at the point where the center line of the Penn Central Railroad tracks passes under the center line of the Capital Beltway; southward along the center line of the Capital Beltway to the center line of Central Avenue; westward along the center line of Central Avenue to the eastern boundary line of the Town of Capitol Heights; northwestward along the boundary line of the Town of Capitol Heights to the southeastern side of Southern Avenue (the District of Columbia boundary line); northeastward along the southeastern side of Southern Avenue to Eastern Avenue (the District of Columbia line), northwestward along the northeastern side of Eastern Avenue to the center line of U.S. Route 50; northeastward along the center line of U.S. Route 50 to its crossing of the center line of the Penn Central Railroad tracks at Ardmore-Ardwick Road; northeastward along the center line of the Penn Central Railroad tracks to its intersection with the Capital Beltway, the point of origin.

(CB-33-1985; CB-70-1989)

Effective on: 1/1/1901

Boundary: Starting at the center of the interchange of the Capital Beltway and U.S. Route 50; eastward along the center line of U.S. Route 50 to the center line of Maryland Route 193; southward along the center line of Maryland Route 193 to the center line of Maryland Route 202; westward along the center line of Maryland Route 202 to its intersection with White House Road; westward along the center line of White House Road to its intersection with Ritchie-Marlboro Road; westward along the center line of Ritchie-Marlboro Road to the center line of the Capital Beltway; northward along the center line of the Capital Beltway to the center of its interchange with U.S. Route 50, the point of origin.

(CB-33-1985; CB-70-1989)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Maryland Route 556 with the center line of U.S. Route 50; eastward along the center line of U.S. Route 50 to the boundary line of the City of Bowie; southwestward, then southeastward along the boundary line of the City of Bowie to the center line of Central Avenue; southeastward along the center line of Central Avenue to its intersection with Old Central Avenue; eastward along the center line of Old Central Avenue to the center line of the northbound lane of U.S. Route 301; southward along the center line of the northbound lane of U.S. Route 301 to its intersection with Leeland Road; westward along the center line of Leeland Road to its intersection with Oak Grove Road; westward along the center line of Oak Grove Road to the center line of Maryland Route 556; northward along the center line of Maryland Route 556 to the center line of U.S. Route 50, the point of origin.

(CB-33-1985)

Effective on: 1/1/1901

Boundary: Starting at the center line of the northbound lane of U.S. Route 301 at its intersection with the center line of District Branch; northward along the center line of the northbound lane of U.S. Route 301 to the center line of Central Avenue; westward along the center line of Central Avenue to its intersection with Old Central Avenue; northwestward along the center line of Old Central Avenue to the boundary line of the City of Bowie; northeastward, then northward along the boundary line of the City of Bowie to the center line of U.S. Route 50; eastward along the center line of U.S. Route 50 to the Prince George's County-Anne Arundel County boundary line; southward along the Prince George's County-Anne Arundel County boundary line to the center line of District Branch; westward along the center line of District Branch to the center line of the northbound lane of U.S. Route 301, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the point where the center line of the Capital Beltway crosses the center line of Central Avenue; southward along the center line of the Capital Beltway to the point where it crosses Suitland Parkway; westward along the center line of Suitland Parkway to the southeastern side of Southern Avenue, the District of Columbia boundary line; northeastward along the southeastern side of Southern Avenue to the point where it intersects the southern boundary line of the Town of Capitol Heights; generally southeastward, then northward, then westward, then northward along the boundary line of the Town of Capitol Heights to its intersection with Central Avenue; eastward along the center line of Central Avenue to the point where it crosses the center line of the Capital Beltway, the point of origin.

Editor's note(s)—CR-25-1986 adopted the Suitland-District Heights and Vicinity Sectional Map Amendment.

Effective on: 1/1/1901

Boundary: Municipal boundaries of the Town of Capitol Heights.

---

Editor's note(s)—CR-25-1986 adopted the Suitland-District Heights and Vicinity Sectional Map Amendment.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the District of Columbia boundary line with the center line of Suitland Parkway; eastward along the center line of Suitland Parkway to the center line of Interstate Route I-95; westward along the center line of Interstate Route I-95 to the eastern shoreline of the Potomac River; northward along the eastern shoreline of the Potomac River (and the boundaries of any properties under water listed on the Prince George's County Tax Assessor's property tax maps as being individually owned) to the District of Columbia boundary line; northeastward along the District of Columbia boundary line to the center line of Suitland Parkway, the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Interstate Route I-95 with Indian Head Highway; southward along the center line of Indian Head Highway to the center line of Old Fort Road; eastward along the center line of Old Fort Road to the center line of Allentown Road; northeastward along the center line of Allentown Road to the center line of Steed Road; southeastward along the center line of Steed Road to the center line of Tinkers Creek; northeastward along the center line of Tinkers Creek to the center line of Meetinghouse Branch; northeastward along the center line of Meetinghouse Branch to the western boundary line of Andrews Air Force Base; northward, then eastward, then northward along the western boundary line of Andrews Air Force Base (around Bell's United Methodist Church) to the center line of Allentown Road; eastward along the center line of Allentown Road to the center line of Suitland Parkway; northeastward along the center line of Suitland Parkway to the center line of Interstate Route I-95; westward along the center line of Interstate Route I-95 to the center line of Indian Head Highway, to the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Suitland Parkway with the center line of Maryland Route 4; eastward along the center line of Maryland Route 4 to the center of its interchange with Woodyard Road; southward along the proposed center line of Woodyard Road to its intersection with Piscataway Creek; northward along the center line of Piscataway Creek to its intersection with the boundary line of Andrews Air Force Base; southward, then westward, then northward along the boundary line of Andrews Air Force Base to its intersection with Allentown Road; northward along the center line of Allentown Road to the center line of Suitland Parkway; eastward along the center line of Suitland Parkway to the center of its intersection with Maryland Route 4, the point of origin.

(CB-103-1984; CB-33-1985)

Effective on: 1/1/1901

Boundary: Starting at the center line of the Ritchie-Marlboro Road underpass of the Capital Beltway; southeastward along the center line of Ritchie-Marlboro Road to its intersection with White House Road; eastward along the center line of White House Road to its intersection with Brown Station Road; southeastward along the center line of Brown Station Road to its intersection with Brooke Lane; southwestward along the center line of Brooke Lane to its intersection with Ritchie-Marlboro Road; southeastward along the center line of Ritchie-Marlboro Road to its intersection with Maryland Route 4; westward along the center line of Maryland Route 4 to its intersection with Suitland Parkway; westward along the center line of Suitland Parkway to the center line of the Capital Beltway; northward along the center line of the Capital Beltway to the center line of the Ritchie-Marlboro Road underpass, the point of origin.

(CB-103-1984; CB-33-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of White House Road with Brown Station Road; eastward along the center line of White House Road to Maryland Route 202; southeastward along the center line of Maryland Route 202 to its intersection with the center line of Oak Grove Road; eastward along the center line of Oak Grove Road to its intersection with Leeland Road; southeastward along the center line of Leeland Road to the center line of the northbound lane of U.S. Route 301; northward along the center line of the northbound lane of U.S. Route 301 to its intersection with District Branch; eastward along the center line of District Branch to the center line of the Patuxent River; southward along the center line of the Patuxent River main channel to the center line of the Maryland Route 4 bridge; westward along the center line of Maryland Route 4 to its intersection with Ritchie-Marlboro Road; northwestward along the center line of Ritchie-Marlboro Road to its intersection with Brooke Lane; northeastward along the center line of Brooke Lane to its intersection with Brown Station Road; northwestward along the center line of Brown Station Road to the center line of White House Road, the point of origin.

(CB-103-1984; CB-22-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the eastern shoreline of the Potomac River with the center line of Interstate Route I-95; eastward along the center line of Interstate Route I-95 to the center line of Indian Head Highway; southward along the center line of Indian Head Highway to the center line of Old Fort Road; eastward along the center line of Old Fort Road to the center line of Allentown Road; eastward along the center line of Allentown Road to the center line of Old Fort Place; southward along the center line of Old Fort Place to the center line of Old Fort Road; southward along the center line of Old Fort Road to the center line of Gallahan Road; southward along the center line of Gallahan Road to the center line of Tinkers Creek; southward along the center line of Tinkers Creek to the center line of Piscataway Creek; southwestward along the center line of Piscataway Creek to the northern shoreline of Piscataway Bay; westward along the northern shoreline of Piscataway Bay to the eastern shoreline of the Potomac River; northward along the eastern shoreline of the Potomac River (and the boundaries of any properties under water listed on the Prince George's County Tax Assessor's property tax maps as being individually owned) to the center line of Interstate Route I-95, the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Meetinghouse Branch with the boundary line of Andrews Air Force Base; southward, then eastward, then northward along the boundary line of Andrews Air Force Base to its intersection with the center line of Piscataway Creek; eastward, then southward, then westward along the center line of Piscataway Creek to the center line of Butler Branch; northward along the center line of Butler Branch to the boundary line of Louise F. Cosca Regional Park; eastward, then northward, then southwestward along the boundary line of Louise F. Cosca Regional Park to the center line of "the west fork of the PEPCO power line right-of-way from the Talbert Substation"; northward along this PEPCO power line right-of-way to the center line of Piscataway Road; eastward along the center line of Piscataway Road to the center line of Temple Hill Road; northward along the center line of Temple Hill Road to the center line of Tinkers Creek; northeastward along the center line of Tinkers Creek to the center line of Meetinghouse Branch; northeastward along the center line of Meetinghouse Branch to the boundary line of Andrews Air Force Base, the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Tinkers Creek with the center line of Piscataway Creek; eastward along the center line of Piscataway Creek to the center line of Butler Branch; northward along the center line of Butler Branch to the boundary line of Louise F. Cosca Regional Park; eastward, then northward, then southwestward along the boundary line of Louise F. Cosca Regional Park to the center line of "the west fork of the PEPCO power line right-of-way from the Talbert Substation"; northward along the center line of this PEPCO power line right-of-way to the center line of Piscataway Road; eastward along the center line of Piscataway Road to the center line of Temple Hill Road; northward along the center line of Temple Hill Road to the center line of Tinkers Creek; southwestward along the center line of Tinkers Creek to the center line of Steed Road; westward along the center line of Steed Road to the center line of Allentown Road; southwestward along the center line of Allentown Road to the center line of Old Fort Place; southward along the center line of Old Fort Place to the center line of Old Fort Road; southward along the center line of Old Fort Road to the center line of Gallahan Road; southward along the center line of Gallahan Road to the center line of Tinkers Creek; southward along the center line of Tinkers Creek to the center line of Piscataway Creek, the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the center of the interchange of Maryland Route 4 with Woodyard Road; eastward along the center line of Maryland Route 4 to its intersection with U.S. Route 301; southward along the center line of U.S. Route 301 to its intersection with the center line of the Popes Creek Railroad tracks; southwestward along the center line of the Popes Creek Railroad tracks to its intersection with Maryland Route 382; southward along the center line of Maryland Route 382 to its intersection with Duley Station Road; westward along the center line of Duley Station Road to its intersection with the Popes Creek Railroad tracks; southwestward along the center line of the Popes Creek Railroad tracks to its intersection with the PEPCO power line right-of-way; westward along the center line of the PEPCO power line right-of-way to its intersection with Piscataway Creek; northeastward along the center line of Piscataway Creek to its intersection with Woodyard Road; northeastward along the center line of Woodyard Road to the center of its interchange with Maryland Route 4, the point of origin.

(CB-33-1985; CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the point where the center line of Maryland Route 4 crosses the center line of U.S. Route 301; eastward along the center line of Maryland Route 4 to the Patuxent River bridge; southward along the center line of the main channel of the Patuxent River to Hotchkins Branch; westward along the center line of Hotchkins Branch to the intersection of Candy Hill Road and Maryland Route 382; northward along the center line of Maryland Route 382 to its intersection with Nottingham Road; eastward along the center line of Nottingham Road to its intersection with Fenno Road; northward along the center line of Fenno Road to its intersection with Mattaponi Creek; eastward along the center line of Mattaponi Creek to its intersection with the boundary line of the Patuxent River Park, northward along the boundary line of the Patuxent River Park to its intersection with Croom Airport Road; westward along the center line of Croom Airport Road to its intersection with Maryland Route 382; northward along the center line of Maryland Route 382 to its intersection with the Popes Creek Railroad tracks; northward along the center line of the Popes Creek Railroad tracks to its intersection with U.S. Route 301; northward along the center line of U.S. Route 301 to its intersection with Maryland Route 4, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Piscataway Creek with the center line of Indian Head Highway; southwestward along the center line of Indian Head Highway to the center line of "the first creek south of Manning Road West"; southward along the center line of that creek to the center line of Mattawoman Creek, southwestward along the center line of Mattawoman Creek to its intersection with the Prince George's County-Charles County boundary line; northwestward along the Prince George's County-Charles County boundary line to the southern shoreline of the Potomac River; northeastward, then eastward along the Potomac River southern shoreline and Piscataway Bay southern shoreline (and the boundaries of any properties under water listed on the Prince George's County Tax Assessor's property tax maps as being individually owned) to the center line of Piscataway Creek eastward along the center line of Piscataway Creek to the center line of Indian Head Highway, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Piscataway Creek with the center line of Indian Head Highway; southwestward along the center line of Indian Head Highway to the center line of "the first creek south of Manning Road West"; southward along the center line of that creek to the center line of Mattawoman Creek; eastward along the center line of Mattawoman Creek to the center line of Gardner Road; northwestward along the center line of Gardner Road to the center line of Accokeek Road; eastward along the center line of Accokeek Road to the center line of South Springfield Road; northward along the center line of South Springfield Road to the center line of Floral Park Road; westward along the center line of Floral Park Road to the center line of Windbrook Drive; northward along the center line of Windbrook Drive to the center line of Piscataway Creek; westward along the center line of Piscataway Creek to the center line of Indian Head Highway, the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Piscataway Creek with the center line of Windbrook Drive; southward along the center line of Windbrook Drive to the center line of Floral Park Road; eastward along the center line of Floral Park Road to the center line of South Springfield Road; southward along the center line of South Springfield Road to the center line of Accokeek Road; westward along the center line of Accokeek Road to the center line of Gardner Road; southeastward along the center line of Gardner Road to the Prince George's County-Charles County boundary line; eastward along the Prince George's County-Charles County boundary line to the center line of the Penn-Central Railroad tracks; northeastward along the center line of the Penn-Central Railroad tracks to the center line of "the West Fork of the PEPCO power line right-of-way from the Talbert Substation"; westward along the center line of that PEPCO power line right-of-way to the center line of Piscataway Creek; westward along the center line of Piscataway Creek to the center line of Windbrook Drive, the point of origin.

(CB-103-1985)

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of the Penn-Central Railroad tracks and the Prince George's County-Charles County boundary line; southeastward to the center line of the Cedar Point Railroad tracks; northwestward along the center line of the Cedar Point Railroad tracks to the center line of the PEPCO power line right-of-way; northward along the center line of the PEPCO power line right-of-way to the "West Fork of the PEPCO power line right-of-way from the Talbert Substation"; northwestward along the center line of that PEPCO power line right-of-way to the center line of the Penn-Central Railroad tracks, southwestward along the center line of the Penn-Central Railroad tracks to the Prince George's County-Charles County boundary line, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Maryland Route 382 with the center line of Duley Station Road; northward along the center line of Maryland Route 382 to its intersection with Croom Airport Road; eastward along the center line of Croom Airport Road to the boundary line of the Patuxent River Park; southward along the boundary line of the Patuxent River Park to its intersection with Mattaponi Creek; westward along the center line of Mattaponi Creek to the center line of the Fenno Road bridge; southward along the center line of Fenno Road to its intersection with Nottingham Road; westward along the center line of Nottingham Road to its intersection with Maryland Route 382; southward along the center line of Maryland Route 382 to its intersection with Naylor-North Keys Road; westward along the center line of Naylor-North Keys Road to its intersection with Rock Branch Road; southward along the center line of Rock Branch Road to its intersection with Martin Road; westward along the center line of Martin Road to its intersection with North Keys Road; westward along the center line of North Keys Road to its intersection with the PEPCO power line right-of-way; northward along the center line of the PEPCO power line right-of-way to the "West Fork of the PEPCO power line right-of-way from the Talbert Substation"; westward along the center line of that PEPCO power line right-of-way to its intersection with the Popes Creek Railroad tracks; northward along the center line of the Popes Creek Railroad tracks to its intersection with Duley Station Road, eastward along the center line of Duley Station Road to its intersection with Maryland Route 382, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of Candy Hill Road with the center line of Maryland Route 382; southward to Hotchkins Branch; southeastward along the center line of Hotchkins Branch to the main channel of the Patuxent River; southward along the center line of the main channel of the Patuxent River to its intersection with the south boundary line of the Maryland-National Capital Park and Planning Commission's Naylor Farm; westward along the south boundary line of the Naylor Farm to its intersection with Airport Road; westward along the center line of Airport Road to its intersection with Maryland Route 382; southward along the center line of Maryland Route 382 to its intersection with School Road; westward along the center line of School Road to its intersection with Bald Eagle Road; southward along the center line of Bald Eagle Road to its intersection with Westwood Road; westward along the center line of Westwood Road to its intersection with Baden Westwood Road; along the center line of Baden-Westwood Road to its intersection with the northern section of Horsehead Road; southward along the center line of the northern section of Horsehead Road to its intersection with Maryland Route 381; southeastward along the center line of Maryland Route 381 to its intersection with Horsehead Road; southward along the center line of Horsehead Road to the Prince George's County-Charles County boundary line; westward along the Prince George's County-Charles County boundary line to the Cedar Point Railroad tracks; northward along the center line of the Cedar Point Railroad tracks to its intersection with the PEPCO power line right-of-way; northward along the center line of the PEPCO power line right-of-way to its intersection with North Keys Road; eastward along the center line of North Keys Road to its intersection with Martin Road; eastward along the center line of Martin Road to its intersection with Rock Branch Road; northward along the center line of Rock Branch Road to its intersection with Naylor-North Keys Road; eastward along the center line of Naylor-North Keys Road to its intersection with Candy Hill Road and Maryland Route 382, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the point of the intersection of the Maryland-National Capital Park and Planning Commission's Naylor Farm boundary line with the Patuxent River; southward along the center line of the main channel of the Patuxent River to its intersection with the PEPCO power line right-of-way; westward along the center line of the PEPCO power line right-of-way to the Prince George's County-Charles County boundary line; northward, then northwestward along the Prince George's County-Charles County boundary line to its intersection with Horsehead Road; northward along the center line of Horsehead Road to its intersection with Maryland Route 381; westward along the center line of Maryland Route 381 to its intersection with the northern section of Horsehead Road; northward along the northern section of Horsehead Road to its intersection with Baden-Westwood Road; eastward along the center line of Baden-Westwood Road to its intersection with Westwood Road; eastward along the center line of Westwood Road to its intersection with Bald Eagle Road; northward along the center line of Bald Eagle Road to its intersection with School Road; eastward along the center line of School Road to its intersection with Maryland Route 382; northward along the center line of Maryland Route 382 to its intersection with Airport Road; eastward along the center line of Airport Road to its intersection with the Maryland-National Capital Park and Planning Commission's Naylor Farm boundary line; eastward along the Naylor Farm boundary line to its intersection with the Patuxent River, the point of origin.

Effective on: 1/1/1901

Boundary: Starting at the intersection of the center line of the PEPCO power line right-of-way with the center line of the main channel of the Patuxent River; southward along the center line of the main channel of the Patuxent River to the Prince George's County-Charles County boundary line; westward, then northward along the Prince George's County-Charles County boundary line to its intersection with the PEPCO power line right-of-way; eastward along the center line of the PEPCO power line right-of-way to the center line of the main channel of the Patuxent River, the point of origin.

Effective on: 1/1/1901