Okla. Stat. tit. 74 § 2302
The Oklahoma Tourism and Recreation Department may coordinate with the Oklahoma Historical Society and the State Department of Education to develop educational programs and materials for Oklahoma schools that promote learning both by reading about and visiting historical sites throughout the State of Oklahoma, and to promote tourism and heritage preservation throughout this state. The Department of Transportation may participate in this project by developing and placing markers along the highways of this state to recognize various historical sites incorporated into the materials developed for this project.
The implementation of the provisions of this act shall be contingent upon, and subject to, the availability of funding.
The Oklahoma Tourism and Recreation Department, the Oklahoma Historical Society, the State Department of Education, and the Department of Transportation are hereby granted authority to seek, solicit, collect, and use public and/or private funding, donations, grants, and gifts from any available source in implementing and maintaining this project. Any funds received and collected for this project may be deposited into the Heritage Preservation Revolving Fund. In its discretion, each participating agency in this project may use some of its state-appropriated funds when such agency deems the amount of its funding appropriate for this project in the normal course of such agency's responsibilities and duties.
Okla. Stat. tit. 74, § 2302