Okla. Stat. tit. 82, § 82-872: District to establish rules and regulations concerning

labor and materials - Authority to request aid of United States

engineers.

The district may, but without intending by this provision to

limit any powers of the district as granted to it by this act, enter

into and carry out such contract, or establish or comply with such

rules and regulations concerning labor and materials and other

related matters in connection with any project or projects as the

District may deem desirable or as may be requested by the United

States of America, or any corporation or agency created, designated

or established thereby, which may assist in the financing of any

such project or projects. The district shall have the authority to

request engineering aid of the Corps of Engineers of the United

States Army, the Federal Power Commission, or any other federal

agency, in the designing and construction of any project authorized

under the terms of this act and to use such aid, if and when

offered, and to pay any reasonable cost therefor.