Okla. Stat. tit. 82, § 82-896.7
Acquisition, development and maintenance of public
access, easements and parks - Eminent domain prohibited
In order to assist in the public use and enjoyment of the scenic
rivers, the Grand River Dam Authority, the Oklahoma Tourism and
Recreation Department and the Department of Wildlife Conservation
may acquire, develop and maintain public access points, easements or
park areas in or near scenic rivers. Such acquisitions shall be by
private treaty only, and the use of the power of eminent domain for
these purposes is specifically prohibited.