(225 ILCS 705/19.03) (from Ch. 96 1/2, par. 1903)
    Sec. 19.03. It is unlawful to employ underground, at any one time, more men than, in the judgment of the State mine inspector, are necessary to complete speedily the connections with the escapement shaft or adjacent mine; and said number must not exceed 20 men at any one time for any purpose in said mine until such escapement or connection is completed.
(Source: Laws 1953, p. 701.)