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Agriculture 科技报告
报告编号: 70201993, , 2018
作者:  Hristov, Alexander N.;  Johnson, Jane M. F.;  Rice, Charles W.;  Brown, Molly E.;  Conant, Richard T.;  Del Grosso, Stephen J.;  Gurwick, Noel P.;  Rotz, C. Alan;  Sainju, Upendra M.;  Skinner, R. Howard;  West, Tristram O.;  Runkle, Benjamin R. K.;  Janzen, Henry;  Reed, Sasha C. screed@usgs.gov;  Cavallaro, Nancy;  Shrestha, Gyami
收藏  |  浏览/下载：34/0  |  提交时间：2019/11/06
Factors affecting long-term trends in surface-water quality in the Gwynns Falls watershed, Baltimore City and County, Maryland, 1998–2016 科技报告
报告编号: 70196047, , 2018
作者:  Majcher, Emily H.;  Woytowitz, Ellen L.;  Reisinger, Alexander J.;  Groffman, Peter M.
Adobe PDF(3330Kb)  |  收藏  |  浏览/下载：31/11  |  提交时间：2019/11/06
Hydraulic and biological analysis of the passability of select fish species at the U.S. Geological Survey streamgaging weir at Blackwells Mills, New Jersey 科技报告
报告编号: 70190840, 页数: 28, 2017
作者:  Haro, Alexander J. aharo@usgs.gov;  Mulligan, Kevin kmulligan@usgs.gov;  Suro, Thomas P. tsuro@usgs.gov;  Noreika, John jnoreika@usgs.gov;  McHugh, Amy R. amchugh@usgs.gov
收藏  |  浏览/下载：14/0  |  提交时间：2019/11/06
Estimates of immediate effects on world markets of a hypothetical disruption to Russia’s supply of six mineral commodities 科技报告
报告编号: 70182251, 页数: 32, 2017
作者:  Safirova, Elena esafirova@usgs.gov;  Barry, James J. jbarry@usgs.gov;  Hastorun, Sinan shastorun@usgs.gov;  Matos, Grecia R. gmatos@usgs.gov;  Perez, Alberto Alexander;  Bedinger, George M.;  Bray, E. Lee lbray@usgs.gov;  Jasinski, Stephen M. sjasinsk@usgs.gov;  Kuck, Peter H. pkuck@usgs.gov;  Loferski, Patricia J. ploferski@usgs.gov
收藏  |  浏览/下载：21/0  |  提交时间：2019/11/06
Effects of streamflows on stream-channel morphology in the eastern Niobrara National Scenic River, Nebraska, 1988–2010 科技报告
报告编号: 70162293, , 2016
作者:  Schaepe, Nathaniel J. nschaepe@usgs.gov;  Alexander, Jason S. jalexand@usgs.gov;  Folz-Donahue, Kiernan
Adobe PDF(1788Kb)  |  收藏  |  浏览/下载：1/0  |  提交时间：2019/11/06
Federal interagency nature‐like fishway passage design guidelines for Atlantic coast diadromous fishes 科技报告
报告编号: 70171382, , 2016
作者:  Turek, James;  Haro, Alexander J. aharo@usgs.gov;  Towler, Brett
收藏  |  浏览/下载：13/0  |  提交时间：2019/11/06
The Laramide Caborca orogenic gold belt of northwestern Sonora, Mexico; white mica 40Ar/39Ar geochronology from gold-rich quartz veins 科技报告
报告编号: 70162328, , 2016
作者:  Izaguirre, Aldo;  Kunk, Michael J. mkunk@usgs.gov;  Iriondo, Alexander;  McAleer, Ryan J. rmcaleer@usgs.gov;  Caballero-Martinez, Juan Antonio;  Espinosa-Arámburu, Enrique
Adobe PDF(1721Kb)  |  收藏  |  浏览/下载：21/6  |  提交时间：2019/11/06