CCPortal

浏览/检索结果: 共3条,第1-3条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
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:26/8  |  提交时间:2019/11/06