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Review of the geochemistry and metallogeny of approximately 1.4 Ga granitoid intrusions of the conterminous United States 科技报告
报告编号: 70191014, 页数: 44, 2018
作者:  du Bray, Edward A. edubray@usgs.gov;  Holm-Denoma, Christopher S. cholm-denoma@usgs.gov;  Lund, Karen klund@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov
Adobe PDF(39432Kb)  |  收藏  |  浏览/下载：69/37  |  提交时间：2019/11/06
Descriptive models for epithermal gold-silver deposits: Chapter Q in 科技报告
报告编号: 70196376, , 2018
作者:  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  du Bray, Edward A. edubray@usgs.gov;  Blakely, Richard J. blakely@usgs.gov;  Fey, David L. dfey@usgs.gov;  Rockwell, Barnaby W. barnabyr@usgs.gov;  Mauk, Jeffrey L. jmauk@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov;  Graybeal, Frederick T.
Adobe PDF(39815Kb)  |  收藏  |  浏览/下载：51/17  |  提交时间：2019/11/06
Findings from a preliminary investigation of the effects of aquatic habitat (water) availability on giant gartersnake (Thamnophis gigas) demography in the Sacramento Valley, California, 2014–17 科技报告
报告编号: 70198121, 页数: 58, 2018
作者:  Rose, Jonathan P. jprose@usgs.gov;  Ersan, Julia S. M. jersan@usgs.gov;  Reyes, Gabriel A. greyes@usgs.gov;  Gustafson, K. Benjamin kgustafson@usgs.gov;  Fulton, Alexandria M. afulton@usgs.gov;  Fouts, Kristen J. kfouts@usgs.gov;  Wack, Raymund F.;  Wylie, Glenn D. glenn_wylie@usgs.gov;  Casazza, Michael L. mike_casazza@usgs.gov;  Halstead, Brian J. bhalstead@usgs.gov
Adobe PDF(4966Kb)  |  收藏  |  浏览/下载：54/19  |  提交时间：2019/11/06
Procedures for using the Horiba Scientific Aqualog® fluorometer to measure absorbance and fluorescence from dissolved organic matter 科技报告
报告编号: 70197568, , 2018
作者:  Hansen, Angela M.;  Fleck, Jacob jafleck@usgs.gov;  Kraus, Tamara E. C. tkraus@usgs.gov;  Downing, Bryan D. bdowning@usgs.gov;  von Dessonneck, Travis;  Bergamaschi, Brian bbergama@usgs.gov
Adobe PDF(4808Kb)  |  收藏  |  浏览/下载：26/9  |  提交时间：2019/11/06