Okla. Stat. tit. 45, § 45-418: Loss of life or injury - Duty of operator and inspector

Whenever loss of life or serious personal injury shall occur in

or about any said mines, it shall be the duty of the operator having

charge of such mine to report said loss of life or injury without

delay to the deputy mine inspector in whose district such mine is

situated; and the said inspector shall if he deem it necessary

immediately go to the scene of said accident and render such

assistance as he may deem necessary for the safety of the men; and

the said inspector shall investigate and ascertain the cause of such

loss of life or injury and make a report thereof to the Chief Mine

Inspector of the State of Oklahoma, a copy of which he shall

preserve with the other records of his office.