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Drain tiles and groundwater resources: Understanding the relations 科技报告
报告编号: 70204196, 页数: 44, 2018
作者:  Smith, Erik A. easmith@usgs.gov;  Gillette, Timothy;  Blann, Kristen;  Coburn, Mary;  Hoppie, Bryce;  Rhees, Suzanne
Adobe PDF(5625Kb)  |  收藏  |  浏览/下载：40/10  |  提交时间：2019/11/06
Geologic map of the Fort Collins 30'×60' quadrangle, Larimer and Jackson Counties, Colorado, and Albany and Laramie Counties, Wyoming 科技报告
报告编号: 70196840, , 2018
作者:  Workman, Jeremiah B. jworkman@usgs.gov;  Cole, James C. jimcole@usgs.gov;  Shroba, Ralph R. rshroba@usgs.gov;  Kellogg, Karl S. kkellogg@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov
Adobe PDF(20163Kb)  |  收藏  |  浏览/下载：45/12  |  提交时间：2019/11/06
Revised groundwater-flow model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015 科技报告
报告编号: 70199978, 页数: 68, 2018
作者:  Valder, Joshua F. jvalder@usgs.gov;  Eldridge, William G.;  Davis, Kyle W.;  Medler, Colton J.;  Koth, Karl R.
Adobe PDF(4765Kb)  |  收藏  |  浏览/下载：40/16  |  提交时间：2019/11/06
Geologic field-trip guide of volcaniclastic sediments from snow- and ice-capped volcanoes—Mount St. Helens, Washington, and Mount Hood, Oregon 科技报告
报告编号: 70198903, , 2018
作者:  Pierson, Thomas C. tpierson@usgs.gov;  Siebert, Lee;  Harpel, Christopher J. charpel@usgs.gov;  Scott, Kevin M.
Adobe PDF(53954Kb)  |  收藏  |  浏览/下载：94/43  |  提交时间：2019/11/06