In the A-l agricultural district, the permitted principle uses are as follows:

A.

Agriculture and agricultural buildings including farmhouses;

B.

Public parks, playgrounds, and recreational areas;

C.

Cemeteries of ten acres or more in size;

D.

Churches, chapels, or parish houses located not less than twenty feet from any side lot line in any R district;

E.

Any building or structure occupied or used for nursery, elementary, junior high or high schools, public libraries, and similar public cultural uses located not less than twenty feet from any side lot line;

F.

Sale of nursery and greenhouse products;

G.

Railroad rights-of-way and trackage, not including switching, storage, terminal facilities or freight yards;

H.

Single-family detached dwellings;

I.

Transformer stations and booster or pressure regulating stations, without service yard or storage;

J.

Essential services, as defined in Section 17.04.120.

In the A-l agricultural district, the permitted accessory uses are as follows:

A.

Real estate signs of a temporary nature not exceeding two in number per lot nor larger than twelve square feet and set back twenty feet from any roadway;

B.

Signs not exceeding four square feet in area indicating the type of plant being grown or the type of fertilizer being used;

C.

Private garages or parking areas;

D.

Living quarters of persons employed on the premises;

E.

Signs as regulated by Chapter 17.44.

In the A-l agricultural district, the following uses are permitted when authorized by the board of appeals:

A.

Sanitary land fills, in accordance with county and state regulations except that no sanitary landfill shall be operated within one thousand three hundred twenty feet of any R district;

B.

Removal and loading of limestone, minerals, sand or gravel, including equipment, buildings or structure for screening, crushing, mixing, washing, or storage located not less than five hundred feet from any R district and suitably distant or properly screened from any designated scenic high-way;

C.

Privately operated country clubs, golf courses, marinas or docking facilities, guest ranches, swimming clubs, riding stables, lakes, resorts, and similar recreational uses provided that any principal or accessory building in connection therewith shall be located above flood hazard elevation and not less than two hundred feet from any lot in an R district;

D.

Signs not exceeding twenty square feet in area pertaining to a permitted recreation use or areas of scenic beauty provided such signs shall be set back at least thirty feet from any right-of-way and there shall be a distance of three hundred feet between all such signs;

E.

Billboards and signs, set back at least twenty-five feet from property lines;

F.

Airports and landing fields.

No principal structure shall exceed two and one-half stories or thirty feet in height, and no accessory structure shall exceed fifteen feet in height except as provided in Section 17.52.020.

The following minimum requirements shall be observed for buildings one to two and one-half stories in height subject to the additional requirements, exceptions and modifications in Sections 17.52.030 through 17.52.100. Each lot shall contain a minimum area of five acres.