Okla. Stat. tit. 45, § 45-908: Employment of certified strip pit mine foreman

The operator shall employ a certified strip pit mine foreman for

every mine except those mines in which no more than three (3)

persons including the operator are employed, in which case one (1)

man must have at least the status of a certified shot firer. The

mine foreman shall have full charge of all workings and of all

persons employed therein in order that all the provisions of this

act, so far as they relate to his duties, shall be complied with and

the regulations prescribed for each class of workmen under his

charge shall be carried out in the strictest possible manner.