Okla. Stat. tit. 45, § 45-612: Rules to be posted

All operators of coal or other mines shall keep posted in a

conspicuous place the special and general rules embodied in, and

made a part of this chapter, defining the duties of all persons

employed in and about said mine, which said rules shall be printed

in the English language at the expense of the state, and in such

other languages as are used by any ten persons working therein, at

the expense of the operator. It shall be the duty of the mine

inspector to furnish to the operator printed copies of such rules in

the English language as are required by this section, and to certify

their correctness over his signature; said rules shall be furnished

the Chief Mine Inspector by the state.