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TITLE 50
CHAPTER 73
Part 2
TITLE 50. HEALTH AND SAFETY
CHAPTER 73. SAFETY IN COAL MINES
Part 2. Maps, Surveys, and Boundary Lines
50-73-201
Operator to make map of coal mine
50-73-202
Map of the surface
50-73-203
Map of underground working
50-73-204
Map for every seam
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
50-73-210
Restrictions as to boundary lines