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Overview for geologic field-trip guides to Mount Mazama, Crater Lake Caldera, and Newberry Volcano, Oregon 科技报告
报告编号: 70189797, 页数: 5, 2017
作者:  Bacon, Charles R. cbacon@usgs.gov;  Donnelly-Nolan, Julie M. jdnolan@usgs.gov;  Jensen, Robert A.;  Wright, Heather M. hwright@usgs.gov
收藏  |  浏览/下载：22/0  |  提交时间：2019/11/06
Field-trip guide to Mount St. Helens, Washington - An overview of the eruptive history and petrology, tephra deposits, 1980 pyroclastic density current deposits, and the crater 科技报告
报告编号: 70188646, 页数: 80, 2017
作者:  Pallister, John S. jpallist@usgs.gov;  Clynne, Michael A. mclynne@usgs.gov;  Wright, Heather M. hwright@usgs.gov;  Van Eaton, Alexa R. avaneaton@usgs.gov;  Vallance, James W. jvallance@usgs.gov;  Sherrod, David R. dsherrod@usgs.gov;  Kokelaar, B. Peter
收藏  |  浏览/下载：1/0  |  提交时间：2019/11/06
Regional patterns of Mesozoic-Cenozoic magmatism in western Alaska revealed by new U-Pb and 40Ar/39Ar ages 科技报告
报告编号: 70178815, 页数: 58, 2017
作者:  Bradley, Dwight C. dbradley@usgs.gov;  Miller, Marti L. mlmiller@usgs.gov;  Friedman, Richard M.;  Layer, Paul W.;  Bleick, Heather A. hbleick@usgs.gov;  Jones, James V. III jvjones@usgs.gov;  Box, Steven E.;  Karl, Susan M. skarl@usgs.gov;  Shew, Nora B. nshew@usgs.gov;  White, Timothy S.;  Till, Alison B. atill@usgs.gov;  Dumoulin, Julie A. dumoulin@usgs.gov;  Bundtzen, Thomas K.;  O'Sullivan, Paul B.;  Ullrich, Thomas D.
收藏  |  浏览/下载：119/0  |  提交时间：2019/11/06
Temporal changes in nitrogen and phosphorus concentrations with comparisons to conservation practices and agricultural activities in the Lower Grand River, Missouri and Iowa, and selected watersheds, 1969–2015 科技报告
报告编号: 70188739, , 2017
作者:  Krempa, Heather M. hkrempa@usgs.gov;  Flickinger, Allison K. aflickinger@usgs.gov
收藏  |  浏览/下载：21/0  |  提交时间：2019/11/06
USGS Spectral Library Version 7 科技报告
报告编号: 70180400, 页数: 68, 2017
作者:  Kokaly, Raymond F. raymond@usgs.gov;  Clark, Roger N. rclark@usgs.gov;  Swayze, Gregg A. gswayze@usgs.gov;  Livo, K. Eric;  Hoefen, Todd M. thoefen@usgs.gov;  Pearson, Neil C.;  Wise, Richard A.;  Benzel, William M. wbenzel@usgs.gov;  Lowers, Heather A.;  Driscoll, Rhonda L. rdriscoll@usgs.gov;  Klein, Anna J. aklein@usgs.gov
收藏  |  浏览/下载：26/0  |  提交时间：2019/11/06
Detection of microcystin and other cyanotoxins in lakes at Isle Royale National Park, Pictured Rocks National Lakeshore, and Sleeping Bear Dunes National Lakeshore, northern Michigan, 2012–13 科技报告
报告编号: 70191367, 页数: 54, 2017
作者:  Fuller, Lori M. lmfuller@usgs.gov;  Brennan, Angela K. akbrennan@usgs.gov;  Fogarty, Lisa R. lrfogart@usgs.gov;  Loftin, Keith A. kloftin@usgs.gov;  Johnson, Heather E.;  VanderMeulen, David D.;  Lafrancois, Brenda Moraska
Adobe PDF(10002Kb)  |  收藏  |  浏览/下载：63/33  |  提交时间：2019/11/06
Geologic field trip guide to Mount Mazama and Crater Lake Caldera, Oregon 科技报告
报告编号: 70188705, , 2017
作者:  Bacon, Charles R. cbacon@usgs.gov;  Wright, Heather M. hwright@usgs.gov
Adobe PDF(22585Kb)  |  收藏  |  浏览/下载：6/6  |  提交时间：2019/11/06