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Two-dimensional seismic velocities and structural variations at three British Columbia Hydro and Power Authority (BC Hydro) dam sites, Vancouver Island, British Columbia, Canada 科技报告
报告编号: 70202281, 页数: 137, 2019
作者:  Catchings, Rufus D. catching@usgs.gov;  Addo, Kofi O.;  Goldman, Mark R. goldman@usgs.gov;  Chan, Joanne H. jchan@usgs.gov;  Sickler, Robert R. rsickler@usgs.gov;  Criley, Coyn J. ccriley@usgs.gov
Adobe PDF(31461Kb)  |  收藏  |  浏览/下载:33/8  |  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:70/28  |  提交时间:2019/11/06
Estimation of base flow on ungaged, periodically measured streams in small watersheds in western Pennsylvania 科技报告
报告编号: 70200942, , 2019
作者:  Hittle, Elizabeth ehittle@usgs.gov;  Risser, Dennis W. dwrisser@usgs.gov
Adobe PDF(26304Kb)  |  收藏  |  浏览/下载:4/2  |  提交时间:2019/11/06
Arizona hedgehog cactus (Echinocereus triglochidiatus var. arizonicus)—A systematic data assessment in support of recovery 科技报告
报告编号: 70201990, 页数: 48, 2019
作者:  Thomas, Kathryn A. kathryn_a_thomas@usgs.gov;  Shryock, Daniel F. dshryock@usgs.gov;  Esque, Todd C. tesque@usgs.gov
Adobe PDF(3058Kb)  |  收藏  |  浏览/下载:75/17  |  提交时间:2019/11/06
Simulation of the regional groundwater-flow system in the St. Louis River basin, Minnesota 科技报告
报告编号: 70203058, 页数: 54, 2019
作者:  Haserodt, Megan J. mhaserodt@usgs.gov;  Hunt, Randall J.;  Cowdery, Timothy K.;  Leaf, Andrew T. aleaf@usgs.gov;  Baker, Anna C.
Adobe PDF(61129Kb)  |  收藏  |  浏览/下载:86/37  |  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
Assessing hazards and risks at the Department of the Interior—A workshop report 科技报告
报告编号: 70202169, , 2019
作者:  Wood, Nathan nwood@usgs.gov;  Pennaz, Alice;  Ludwig, Kristin;  Jones, Jeanne jmjones@usgs.gov;  Henry, Kevin khenry@usgs.gov;  Sherba, Jason jsherba@usgs.gov;  Ng, Peter png@usgs.gov;  Marineau, Jason;  Juskie, John
Adobe PDF(6269Kb)  |  收藏  |  浏览/下载:58/18  |  提交时间:2019/11/06
Integration and tradeoffs 科技报告
报告编号: 70204117, , 2019
作者:  Crist, Michele;  Prentice, Karen;  Chambers, Jeanne C.;  Phillips, Sue;  Wiechman , Lief A.
Adobe PDF(16345Kb)  |  收藏  |  浏览/下载:74/26  |  提交时间:2019/11/06
National Park Service socioeconomic monitoring pilot survey: Visitor spending analysis 科技报告
报告编号: 70204070, 页数: 116, 2019
作者:  Cullinane Thomas, Catherine ccullinanethomas@usgs.gov;  Cornachione, Egan;  Koontz, Lynne koontzl@usgs.gov;  Keyes, Christopher R.
Adobe PDF(2036Kb)  |  收藏  |  浏览/下载:60/18  |  提交时间:2019/11/06
Climate, streamflow, and lake-level trends in the Great Lakes Basin of the United States and Canada, water years 1960–2015 科技报告
报告编号: 70202298, 页数: 58, 2019
作者:  Norton, Parker A. pnorton@usgs.gov;  Driscoll, Daniel G.;  Carter, Janet M.
Adobe PDF(23390Kb)  |  收藏  |  浏览/下载:53/15  |  提交时间:2019/11/06