(225 ILCS 705/5.26) (from Ch. 96 1/2, par. 526)

Sec. 5.26. In mines in which the works are so extensive that all the duties devolving upon the mine manager cannot be discharged by one man, competent persons may be designated and appointed as assistants to the mine manager, who shall exercise his functions under the mine manager's instructions.

(Source: Laws 1953, p. 701.)