CCPortal

浏览/检索结果: 共187条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Sediment storage and transport in the Nooksack River basin, northwestern Washington, 2006–15 科技报告
报告编号: 70202903, , 2019
作者:  Anderson, Scott W. swanderson@usgs.gov;  Konrad, Christopher P. cpkonrad@usgs.gov;  Grossman, Eric E. egrossman@usgs.gov;  Curran, Christopher A. ccurran@usgs.gov
Adobe PDF(41691Kb)  |  收藏  |  浏览/下载:63/14  |  提交时间:2019/11/06
Rare earth element mineral deposits in the United States 科技报告
报告编号: 70202819, 页数: 24, 2019
作者:  Van Gosen, Bradley S. bvangose@usgs.gov;  Verplanck, Philip L.;  Emsbo, Poul
Adobe PDF(28810Kb)  |  收藏  |  浏览/下载:12/3  |  提交时间:2019/11/06
Revisions to suspended-sediment concentration, percent smaller than 0.063 millimeter, and instantaneous suspended-sediment discharge reported for a cooperative program between the U.S. Geological Survey and the U.S. Army Corps of Engineers in the lower Mississippi-Atchafalaya River Basin, October 1989 to February 2015 科技报告
报告编号: 70200762, 页数: 246, 2019
作者:  Norton, Katherine K.;  Olsen, Lisa D.;  Baumann, Todd E.;  Simmons, Lane B.;  Clark, Athena P.;  Demcheck, Dennis K.;  Johnson, Marlon
Adobe PDF(7650Kb)  |  收藏  |  浏览/下载:72/29  |  提交时间:2019/11/06
The Earth Mapping Resources Initiative (Earth MRI): Mapping the nation’s critical mineral resources 科技报告
报告编号: 70202324, , 2019
作者:  Day, Warren C. wday@usgs.gov
Adobe PDF(686Kb)  |  收藏  |  浏览/下载:9/2  |  提交时间:2019/11/06
Establishing molecular methods to quantitatively profile gastric diet items of fish—Application to the invasive blue catfish (ictalurus furcatus) 科技报告
报告编号: 70202454, 页数: 27, 2019
作者:  Iwanowicz, Deborah D.;  Schill, W. Bane;  Sanders, Lakyn R.;  Tim Groves;  Groves, Mary C.
Adobe PDF(1944Kb)  |  收藏  |  浏览/下载:70/20  |  提交时间:2019/11/06
Assessment of undiscovered copper resources of the world, 2015 科技报告
报告编号: 70201026, 页数: 644, 2019
作者:  Hammarstrom, Jane M. jhammars@usgs.gov;  Zientek, Michael L.;  Parks, Heather L. hparks@usgs.gov;  Dicken, Connie L. cdicken@usgs.gov;  U.S. Geological Survey Global Copper Mineral Resource Assessment Team
Adobe PDF(324154Kb)  |  收藏  |  浏览/下载:103/29  |  提交时间:2019/11/06
Bridge scour countermeasure assessments at select bridges in the United States, 2016–18 科技报告
报告编号: 70202040, 页数: 20, 2019
作者:  Dudunake, Taylor J. tdudunake@usgs.gov;  Huizinga, Richard J. huizinga@usgs.gov;  Fosness, Ryan L. rfosness@usgs.gov
Adobe PDF(717Kb)  |  收藏  |  浏览/下载:41/14  |  提交时间:2019/11/06
Geological and geophysical data for a three-dimensional view—Inside the San Juan and Silverton Calderas, Southern Rocky Mountains Volcanic Field, Silverton, Colorado 科技报告
报告编号: 70203209, , 2019
作者:  Yager, Douglas B. dyager@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov;  Deszcz-Pan, Maria;  Rodriguez, Brian D. brod@usgs.gov;  Smith, Bruce D. bsmith@usgs.gov
Adobe PDF(9042Kb)  |  收藏  |  浏览/下载:49/25  |  提交时间:2019/11/06
Evaluation of recommended revisions to Bulletin 17B 科技报告
报告编号: 70202234, 页数: 158, 2019
作者:  Cohn, Timothy A. tacohn@usgs.gov;  Barth, Nancy A.;  England, John F. Jr.;  Faber, Beth A.;  Mason, Robert R. Jr. rrmason@usgs.gov;  Stedinger, Jery R.
Adobe PDF(15817Kb)  |  收藏  |  浏览/下载:68/27  |  提交时间:2019/11/06
The Mw 6.0 South Napa earthquake of August 24, 2014—Observations of surface faulting and ground deformation, with recommendations for improving post-earthquake field investigations 科技报告
报告编号: 70202415, 页数: 64, 2019
作者:  Ponti, Daniel J. dponti@usgs.gov;  Rosa, Carla M.;  Blair, James Luke
Adobe PDF(29036Kb)  |  收藏  |  浏览/下载:31/4  |  提交时间:2019/11/06