Okla. Stat. tit. 45 § 414
It shall be the duty of the Mine Inspector from time to time to enter and examine any and all said mines in the State of Oklahoma and to inspect any and all machinery and equipment used in connection therewith, either underground or on the surface and including any mill, concentrating plant or tailing mill used in preparation of the product for market. And the operator shall at all reasonable times, while in operation, upon request furnish necessary facilities for such entry and examination. Such inspection shall be done at a time and in a manner so as not to obstruct or hinder the operation of said mine or mines except that in case of emergency where the life or safety of employees is in imminent peril, the Inspector shall make immediate examination and it shall in such case of emergency be the duty of the operator upon request of the Inspector to furnish the use of any installed equipment for his assistance in making said examination. A failure of said operator to perform any duty imposed in this section shall be a misdemeanor and be punished as such as hereinafter provided.
Okla. Stat. tit. 45, § 414