50-73-203. Map of underground working. For the underground working, the map shall show all power distribution and ventilation in mines and all shafts, slopes, tunnels, or other openings to the surface or to the workings of a contiguous mine; all excavations, entries, rooms, and crosscuts; the rise or dip of the seam from the bottom of the shaft, mouth of drift, or slope in either direction to the face of the workings; the location of the fan; the location of the permanent pumps, hauling engines, engine-planes, and fire walls; the location of any standing water which might prove a menace to life or danger to property from flood; and the line of any contiguous surface outcrop of the seam.
History: En. Sec. 38, Ch. 120, L. 1911; re-en. Sec. 3480, R.C.M. 1921; re-en. Sec. 3480, R.C.M. 1935; amd. Sec. 13, Ch. 185, L. 1949; amd. Sec. 10, Ch. 267, L. 1974; amd. Sec. 7, Ch. 39, L. 1977; R.C.M. 1947, 50-429.
Structure Montana Code Annotated
Chapter 73. Safety in Coal Mines
Part 2. Maps, Surveys, and Boundary Lines
50-73-201. Operator to make map of coal mine
50-73-203. Map of underground working
50-73-205. Copies of maps for department
50-73-206. Maps to be updated on basis of semiannual surveys
50-73-207. Annual surveys in mines having only five people on shift
50-73-208. Final survey and map update when mine abandoned or worked out
50-73-209. Procedure when operator fails to furnish or update map