Okla. Stat. tit. 45, § 9.1

It shall be unlawful for any person, firm or corporation, individually or in association with others, to establish, open up, commence or carry on any quarrying operation for stone or stone products wherein blasting is required, or to conduct any other quarrying operations for commercial or industrial purposes requiring the use of powder, dynamite, nitroglycerin or other explosives within a minimum distance established by rule or regulation adopted by the Chief Mine Inspector from any established school, church or other house of worship. This section shall not apply to underground mines or to any quarrying or mining plants already constructed or in actual operation before June 19, 1961.