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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