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Geological mapping of Sierra Leone : baseline assessment and next steps 科技报告
, 2018
Adobe PDF(2314Kb)  |  收藏  |  浏览/下载：27/20  |  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：44/12  |  提交时间：2019/11/06
Rare-earth elements 科技报告
报告编号: 70158995, 页数: 44, 2017
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Verplanck, Philip L. plv@usgs.gov;  Seal, Robert R. rseal@usgs.gov;  Long, Keith R. klong@usgs.gov;  Gambogi, Joseph jgambogi@usgs.gov
Adobe PDF(4611Kb)  |  收藏  |  浏览/下载：13/10  |  提交时间：2019/11/06
Geologic map of the upper Arkansas River valley region, north-central Colorado 科技报告
报告编号: 70190023, 页数: 80, 2017
作者:  Kellogg, Karl S.;  Shroba, Ralph R. rshroba@usgs.gov;  Ruleman, Chester A.;  Bohannon, Robert G. rbohannon@usgs.gov;  McIntosh, William C.;  Premo, Wayne R. wpremo@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Moscati, Richard J. rmoscati@usgs.gov;  Brandt, Theodore R. tbrandt@usgs.gov
Adobe PDF(17407Kb)  |  收藏  |  浏览/下载：64/17  |  提交时间：2019/11/06
A review of urban groundwater use and water quality challenges in Sub-Saharan Africa 科技报告
, 2017
Adobe PDF(4571Kb)  |  收藏  |  浏览/下载：42/6  |  提交时间：2019/11/06
Mountains, glaciers, and mines—The geological story of the Blue River valley, Colorado, and its surrounding mountains 科技报告
报告编号: 70168341, , 2016
作者:  Kellogg, Karl S. kkellogg@usgs.gov;  Bryant, Bruce bbryant@usgs.gov;  Shroba, Ralph R. rshroba@usgs.gov
Adobe PDF(40209Kb)  |  收藏  |  浏览/下载：52/30  |  提交时间：2019/11/06