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Draft critical mineral list—Summary of methodology and background information—U.S. Geological Survey technical input document in response to Secretarial Order No. 3359 科技报告
报告编号: 70195360, 页数: 26, 2018
作者:  Fortier, Steven M.;  Nassar, Nedal T. nnassar@usgs.gov;  Lederer, Graham W.;  Brainard, Jamie;  Gambogi, Joseph jgambogi@usgs.gov;  McCullough, Erin A. emccullough@usgs.gov
Adobe PDF(309Kb)  |  收藏  |  浏览/下载:39/20  |  提交时间:2019/11/06
Beryllium—A critical mineral commodity—Resources, production, and supply chain 科技报告
报告编号: 70177933, 页数: 4, 2016
作者:  Lederer, Graham W. glederer@usgs.gov;  Foley, Nora K. nfoley@usgs.gov;  Jaskula, Brian W. bjaskula@usgs.gov;  Ayuso, Robert A. rayuso@usgs.gov
Adobe PDF(461Kb)  |  收藏  |  浏览/下载:32/13  |  提交时间:2019/11/06