Coal Mine Subsidence and Land Use in the Boulder-Weld Coalfield, Boulder and Weld Counties, Colorado.

Colorado Geological Survey, Colorado Department of Natural Resources, 1975

NR7.11/9/INTERNET

• Booklet (PDF)
• Plate 1: Extent of Mining Map (PDF)
• Plate 2: Depth of Cover Map (PDF)
• Plate 3: Mine Pillars Map (PDF)
• Plate 4: Probable Thickness of Extracted Coal Map (PDF)
• Plate 5: Subsidence Inventory Map (PDF)
• Plate 6: Subsidence Hazard Map (PDF)