Bedrock aquifers in the Denver basin, Colorado : a quantitative water-resources appraisal / by S.G. Robson ; prepared in cooperation with the Colorado Department of Natural Resources, Office of the State Engineer ... [et al.] (U.S. Geological Survey professional paper ; 1257)
Bedrock aquifers in the Denver basin, Colorado : a quantitative water-resources appraisal / by S.G. Robson ; prepared in cooperation with the Colorado Department of Natural Resources, Office of the State Engineer ... [et al.]
(U.S. Geological Survey professional paper ; 1257)