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Hydrogeologic framework of the uppermost principal aquifer systems in the Williston and Powder River structural basins, United States and Canada [研究报告]
10.3133/sir20145047U.S. Geological Survey. 2014-01-01
Thamke, Joanna N. jothamke@usgs.gov;  LeCain, Gary D.;  Ryter, Derek W. dryter@usgs.gov;  Sando, Roy;  Long, Andrew J. ajlong@usgs.gov
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