Okla. Stat. tit. 19, § 19-866.30: Exemptions from zoning regulations

A. The zoning power conferred herein shall not apply to the

erection or use of the usual farm buildings for agricultural

purposes or to the planting of agricultural crops, to the extraction

of oil or natural gas, or to forestry activities.

B. The power of the board to establish building and

construction codes shall not apply to:

1. A single family residence located on a separate parcel of

land under one ownership, containing twenty (20) acres or more in

area;

2. Any lands which, as of the effective date hereof:

a. are devoted to manufacturing and/or industrial use, or

b. have been acquired by any owner for expansion of

facilities devoted to manufacturing and/or industrial

use, so long as such use or ownership continues;

3. The acquisition of property or easements for or the

installation, construction, maintenance or use of structures,

facilities and property of electric cooperatives or public utilities

subject to the jurisdiction of the Corporation Commission of the

State of Oklahoma, or other similar state or federal body.

C. For purposes of this section, the term “forestry activity”

means any activity associated with the reforesting, growing,

managing, protecting and harvesting of timber, wood and forest

products including, but not limited to, forestry buildings and

structures. The term “forestry activity” shall not pertain to areas

and property which would restrict access to public road construction

or right-of-way.