Okla. Stat. tit. 52 § 306
Current through Laws 2024, c. 453.
All coal beds or seams thirty (30) inches to thirty-six (36) inches in thickness, less than one thousand (1,000) feet below the surface, and all coal beds or seams more than thirty-six (36) inches in thickness, less than one thousand five hundred (1,500) feet below the surface, shall be deemed as workable.
Okla. Stat. tit. 52, § 306