OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin (detail) OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin
EG-09 Coal Mine Subsidence and Land Use in the Boulder-Weld Coalfield: Boulder and Weld Counties EG-09 Coal Mine Subsidence and Land Use in the Boulder-Weld Coalfield: Boulder and Weld Counties, Colorado
EG-06 Environmental and Engineering Geology of the Windsor Study Area EG-06 Environmental and Engineering Geology of the Windsor Study Area, Larimer and Weld Counties, Colorado
SP-05B Atlas of Sand SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties