CCPortal

浏览/检索结果: 共117条,第1-10条 帮助

限定条件            
已选(0)清除 条数/页:   排序方式:
Our Changing Planet: The U.S. Global Change Research Program for Fiscal Year 2020 科技报告
, 2020
作者:  U.S. Global Change Research Program
JPEG(5Kb)  |  收藏  |  浏览/下载:70/14  |  提交时间:2020/12/23
Least Bell’s Vireo (Vireo bellii pusillus) and Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys in the Sepulveda Dam Basin, Los Angeles County, California—2018 data summary 科技报告
报告编号: 70202619, 页数: 18, 2019
作者:  Pottinger, Ryan E.;  Kus, Barbara E. barbara_kus@usgs.gov
Adobe PDF(3164Kb)  |  收藏  |  浏览/下载:4/3  |  提交时间:2019/11/06
Geologic cross section A–A′ through the Appalachian basin from the southern margin of the Ontario Lowlands province, Genesee County, western New York, to the Valley and Ridge province, Lycoming County, north-central Pennsylvania 科技报告
报告编号: 70201712, , 2019
作者:  Trippi, Michael H.;  Ryder, Robert T.;  Enomoto, Catherine B.
Adobe PDF(1000Kb)  |  收藏  |  浏览/下载:729/707  |  提交时间:2019/11/06
Sea-cliff bedstraw (Galium buxifolium) patterns and trends, 2005–14, on Santa Cruz and San Miguel Islands, Channel Islands National Park, California 科技报告
报告编号: 70203399, 页数: 34, 2019
作者:  McEachern, Kathryn kathryn_mceachern@usgs.gov;  Chess, Katherine A.;  Flagg, Karen;  Niessen, Kenneth G.
Adobe PDF(947Kb)  |  收藏  |  浏览/下载:69/45  |  提交时间:2019/11/06
Least Bell’s Vireo (Vireo bellii pusillus) and Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys in the Hansen Dam Basin, Los Angeles County, California—2018 data summary 科技报告
报告编号: 70202032, 页数: 20, 2019
作者:  Pottinger, Ryan E.;  Kus, Barbara E. barbara_kus@usgs.gov
Adobe PDF(3602Kb)  |  收藏  |  浏览/下载:7/5  |  提交时间:2019/11/06
Distribution and abundance of Least Bell’s Vireos (Vireo bellii pusillus) and Southwestern Willow Flycatchers (Empidonax traillii extimus) on the Middle San Luis Rey River, San Diego County, Southern California—2018 data summary 科技报告
报告编号: 70202634, 页数: 20, 2019
作者:  Allen, Lisa D. ldallen@usgs.gov;  Kus, Barbara E. barbara_kus@usgs.gov
Adobe PDF(1882Kb)  |  收藏  |  浏览/下载:38/12  |  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
When volcanoes fall down—Catastrophic collapse and debris avalanches 科技报告
报告编号: 70203021, 页数: 6, 2019
作者:  Siebert, Lee;  Reid, Mark E. mreid@usgs.gov;  Vallance, James W. jvallance@usgs.gov;  Pierson, Thomas C. tpierson@usgs.gov
Adobe PDF(8523Kb)  |  收藏  |  浏览/下载:63/31  |  提交时间:2019/11/06
Groundwater quality in the Delaware, Genesee, and St. Lawrence River Basins, New York, 2015 科技报告
报告编号: 70202509, 页数: 54, 2019
作者:  Scott, Tia-Marie tia-mariescott@usgs.gov;  Nystrom, Elizabeth A. nystrom@usgs.gov;  Reddy, James E.
Adobe PDF(14917Kb)  |  收藏  |  浏览/下载:51/17  |  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:59/18  |  提交时间:2019/11/06