Okla. Stat. tit. 45, § 745.8
No permit or revision application shall be approved unless the application affirmatively demonstrates and the Department finds in writing, on the basis of the information set forth in the application or from information otherwise available, which will be documented in the approval and made available to the applicant, that:
5. In cases when the private coal or other mineral estate has been severed from the private surface estate, the applicant has submitted to the Department:
b. a conveyance that expressly grants or reserves the right to extract the coal by surface mining methods.
If the conveyance does not expressly grant the right to extract coal by surface mining methods, the surface-subsurface legal relationship shall be determined in accordance with state law. Nothing in this act shall be construed to authorize the Department to adjudicate property rights disputes.
Laws 1979, SB 299, c. 249, § 11, emerg. eff. June 1, 1979.