The purpose of an aggregate resource district is as follows:

A.

To provide for development and utilization of deposits of aggregate and mineral resource materials;

B.

To provide for the preservation of these resources in a manner which does not conflict with other land uses;

C.

To provide standards for the protection of properties surrounding an aggregate resource district;

D.

To enable sand and gravel operators and resource-related industries to enjoy the economy of savings in handling and transportation costs by locating removal, processing, and storage activities in concentrated areas near urban centers.

(Res. 13678 (Vol. 29, page 346)(part): Ord. 62678 (Vol. 29, page 391) § 2.18:1, 1978).

Principal uses permitted outright in an aggregate resource district are as follows:

A.

Any use permitted outright or as an accessory use, or as a conditional exception in the zoning district on which is superimposed an aggregate resource zone;

B.

Extractions from deposits of sand, gravel, rock, earth, or minerals, except that no material may be removed within one hundred feet of a stream's normal water level without planning commission approval;

C.

Processing;

D.

Residence for caretaker, owner, or operator;

E.

Stockpiling;

F.

Asphalt paving mix plant;

G.

Cement concrete batching plant;

H.

Concrete products fabrication;

I.

Accessory building, structure or use.

(Res. 13678 (Vol. 29, page 346)(part): Ord. 62678 (Vol. 29, page 391) § 2.18:2, 1978).

A.

Extraction and sedimentation ponds shall not be allowed within fifty feet of a public road, rail or utility right-of-way, or within two hundred feet of property in another zoning district.

B.

Processing equipment shall not be operated closer than two hundred feet to a public road right-of-way or property in another zoning district;

C.

All other applicable rules and regulations of the State Department of Ecology, State Department of Natural Resources, etc. shall be followed.

D.

All access facilities shall be arranged in such a manner as to minimize traffic danger nuisance to surrounding properties.

E.

The operation sites shall be screened from adjoining residential districts and public roads by placement of fences, wall hedges or landscaped berms.

F.

Within the official boundaries of the Columbia River Gorge, the adopted county surface mining policies for the gorge shall be adhered to.

(Res. 13678 (Vol. 29, page 346)(part): Ord. 62678 (Vol. 29, page 391 and 392) § 2.18:3, 1978).

This designation may be imposed over any other zoning district and its restrictions shall take precedence.

(Res. 13678 (Vol. 29, page 346)(part) Ord. 62678 (Vol. 29, page 392) § 2.18:4, 1978).