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Petrographic, geochemical, and geochronologic data for cenozoic volcanic rocks of the Tonopah, Divide, and Goldfield Mining Districts, Nevada 科技报告
报告编号: 70200391, 页数: 25, 2019
作者:  du Bray, Edward A. edubray@usgs.gov;  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  Colgan, Joseph P. jcolgan@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Morgan, Leah E. lemorgan@usgs.gov;  Fleck, Robert J. fleck@usgs.gov;  Premo, Wayne R. wpremo@usgs.gov;  Holm-Denoma, Christopher S. cholm-denoma@usgs.gov
Adobe PDF(9017Kb)  |  收藏  |  浏览/下载:73/23  |  提交时间:2019/11/06
Petrology of volcanic rocks associated with silver-gold (Ag-Au) epithermal deposits in the Tonopah, Divide, and Goldfield Mining Districts, Nevada 科技报告
报告编号: 70202841, , 2019
作者:  du Bray, Edward A. edubray@usgs.gov;  John, David A. djohn@usgs.gov;  Colgan, Joseph P. jcolgan@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  Cosca, Michael A. mcosca@usgs.gov;  Morgan, Leah E. lemorgan@usgs.gov
Adobe PDF(1740Kb)  |  收藏  |  浏览/下载:49/20  |  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:61/18  |  提交时间:2019/11/06
Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico 科技报告
报告编号: 70197406, 页数: 200, 2018
作者:  Hanson, Randall T. rthanson@usgs.gov;  Ritchie, Andre B.;  Boyce, Scott E. seboyce@usgs.gov;  Ferguson, Ian;  Galanter, Amy E.;  Flint, Lorraine E. lflint@usgs.gov;  Henson, Wesley R. whenson@usgs.gov
Adobe PDF(24530Kb)  |  收藏  |  浏览/下载:87/23  |  提交时间:2019/11/06
Interior Least Tern sandbar nesting habitat measurements from Landsat Thematic Mapper imagery 科技报告
报告编号: 70199962, , 2018
作者:  Bulliner, Edward A. ebulliner@usgs.gov;  Elliott, Caroline M. celliott@usgs.gov;  Jacobson, Robert B. rjacobson@usgs.gov;  Lott, Casey
Adobe PDF(1917Kb)  |  收藏  |  浏览/下载:40/19  |  提交时间:2019/11/06
Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana 科技报告
报告编号: 70198996, , 2018
作者:  Lund, Karen klund@usgs.gov
Adobe PDF(5625Kb)  |  收藏  |  浏览/下载:6/5  |  提交时间:2019/11/06
Framework geologic map and structure sections along the Bartlett Springs Fault Zone and adjacent area from Round Valley to Wilbur Springs, northern Coast Ranges, California 科技报告
报告编号: 70194837, , 2018
作者:  McLaughlin, Robert J. rjmcl@usgs.gov;  Moring, Barry C. moring@usgs.gov;  Hitchcock, Christopher S.;  Valin, Zenon C. zenon@usgs.gov
Adobe PDF(8700Kb)  |  收藏  |  浏览/下载:58/15  |  提交时间:2019/11/06
Automated remote cameras for monitoring alluvial sandbars on the Colorado River in Grand Canyon, Arizona 科技报告
报告编号: 70195320, 页数: 61, 2018
作者:  Grams, Paul E. pgrams@usgs.gov;  Tusso, Robert B. rtusso@usgs.gov;  Buscombe, Daniel
Adobe PDF(2936Kb)  |  收藏  |  浏览/下载:21/20  |  提交时间:2019/11/06
The Central African Republic Diamond Database—A geodatabase of archival diamond occurrences and areas of recent artisanal and small-scale diamond mining 科技报告
报告编号: 70198292, , 2018
作者:  DeWitt, Jessica D. jdewitt@usgs.gov;  Chirico, Peter G. pchirico@usgs.gov;  Bergstresser, Sarah E. sbergstresser@usgs.gov;  Clark, Inga E. iclark@usgs.gov
Adobe PDF(6603Kb)  |  收藏  |  浏览/下载:42/18  |  提交时间:2019/11/06
Cenozoic geology of Fort Irwin and vicinity, California 科技报告
报告编号: 70199284, , 2018
作者:  Buesch, David C. dbuesch@usgs.gov;  Miller, David M. dmiller@usgs.gov;  Menges, Christopher M.
Adobe PDF(7528Kb)  |  收藏  |  浏览/下载:9/2  |  提交时间:2019/11/06