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Concentrations of nitrate in drinking water in the lower Yakima River Basin, Groundwater Management Area, Yakima County, Washington, 2017 科技报告
报告编号: 70196864, 页数: 28, 2018
作者:  Huffman, Raegan L. rhuffman@usgs.gov
Adobe PDF(1655Kb)  |  收藏  |  浏览/下载：3/0  |  提交时间：2019/11/06
Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015 科技报告
报告编号: 70199372, , 2018
作者:  Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Barbash, Jack E. jbarbash@usgs.gov;  Embertson, Nichole M.
Adobe PDF(2496Kb)  |  收藏  |  浏览/下载：60/28  |  提交时间：2019/11/06
Monitoring plant tissue nitrogen isotopes to assess nearshore inputs of nitrogen to Lake Crescent, Olympic National Park, Washington 科技报告
报告编号: 70170302, 页数: 28, 2016
作者:  Cox, Stephen E. secox@usgs.gov;  Moran, Patrick W. pwmoran@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Fradkin, Steven C.
Adobe PDF(2652Kb)  |  收藏  |  浏览/下载：39/20  |  提交时间：2019/11/06
Sediment load and distribution in the lower Skagit River, Skagit County, Washington 科技报告
报告编号: 70174975, , 2016
作者:  Curran, Christopher A. ccurran@usgs.gov;  Grossman, Eric E. egrossman@usgs.gov;  Mastin, Mark C. mcmastin@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov
Adobe PDF(2199Kb)  |  收藏  |  浏览/下载：41/11  |  提交时间：2019/11/06