(225 ILCS 705/33.05) (from Ch. 96 1/2, par. 3305)
    Sec. 33.05. A separate and similar map, drawn to the same scale, shall be made of each and every seam, which, after July 1, 1911, shall be worked in any mine, and the maps of all such seams shall show all shafts, inclined planes or other passageways connecting the same.
(Source: Laws 1953, p. 701.)