Loose Roof Rib to Rib Roofed Unexplored Identify this symbol: Water Roofed Permanent Stopping Intact Unsafe Roof Rib to Rib Airlock Identify this symbol: Overhanging Brow Unsafe Roof Partially Across Entry Unsafe Rib Caved Identify these symbols: Caved Unsafe Roof Partially Across Entry Gas Test Unsafe Rib or Overhanging Brow Identify this symbol: Live Person Body Gas Test Air Movement
Loose Roof Rib to Rib Roofed Unexplored Identify this symbol: Water Roofed Permanent Stopping Intact Unsafe Roof Rib to Rib Airlock Identify this symbol: Overhanging Brow Unsafe Roof Partially Across Entry Unsafe Rib Caved Identify these symbols: Caved Unsafe Roof Partially Across Entry Gas Test Unsafe Rib or Overhanging Brow Identify this symbol: Live Person Body Gas Test Air Movement
Metal_and_Nonmetal_Mine_Rescue_Map_Legend.docx