Okla. Stat. tit. 69, § 69-643: Survey of farm - Maintenance of terrace by farmer - Advice

of county farm agent.

Before the board of county commissioners shall permit the use of any

such machinery, the board shall require that such farm be surveyed

for terracing purposes by an engineer from Oklahoma State University

or by the county agent of the county, either under his supervision

or by some other person competent to properly survey and lay off a

terrace, who shall be approved by the board of county commissioners.

Such permit for the use of the machinery shall provide that the

landowner shall maintain such terrace in good condition while he

owns said land. The board of county commissioners and contracting

farmer or farmers shall at all times seek the advice of and

cooperate with, as far as possible, the county farm agent or agents

in the county.