EG-09 Coal Mine Subsidence and Land Use in the Boulder-Weld Coalfield: Boulder and Weld Counties, ColoradoE-mail this product to a friend
Text only of basic subsidence-related problems; practical approaches to land development; extent of mining. Plates: 1) extent of mining, 2) depth of cover, 3) mine pillars, 4) probable thickness of extracted coal, 5) subsidence inventory, 6) subsidence hazards. 92 pages. 32 figures. See EG-09 for set. Digital file available as a download. EG-09D.