Okla. Stat. tit. 45, § 760.1

In order to protect the stability of the land, the Department shall suspend underground coal mining under urbanized areas, cities, towns and communities and adjacent to industrial or commercial buildings, major impoundments or permanent streams if it finds imminent danger to inhabitants of the urbanized areas, cities, towns and communities. Laws 1979, c. 249, § 30, emerg. eff. June 1, 1979.