Search results for: Penn, Colin A.
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Groundwater-level elevations in the Denver Basin bedrock aquifers of Elbert County, Colorado, 2015-18
Authors: Penn, Colin A., Everett, Rhett R.
Published: U.S. Department of the Interior, U.S. Geological Survey, 2019Physical Description: 1 online resource (viii, 50 pages) : illustrations (mostly color), color maps.Holdings: Loading…Connect to online resource - All users (Federal Depository Library Program Persistant URL)
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Groundwater levels in the Denver Basin bedrock aquifers of Douglas County, Colorado, 2011-19
Authors: Malenda, Helen F., Penn, Colin A.
Published: U.S. Department of the Interior, U.S. Geological Survey, 2020Physical Description: 1 online resource (vii, 44 pages) : color illustrations, color maps.Holdings: Loading…Connect to online resource - All users (Federal Depository Library Program Persistant URL)
Government Document Electronic eBook