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Water-quality trends for selected sites in the Boulder River and Tenmile Creek watersheds, Montana, based on data collected during water years 1997-2013 [研究报告]
10.3133/sir20155008U.S. Geological Survey. 2015-01-01
Sando, Steven K. sksando@usgs.gov;  Clark, Melanie L. mlclark@usgs.gov;  Cleasby, Thomas E. tcleasby@usgs.gov;  Barnhart, Elliott P. epbarnhart@usgs.gov
  |  View/Download：15/4
 
Water-quality trends for selected sampling sites in the upper Clark Fork Basin, Montana, water years 1996-2010 [研究报告]
10.3133/sir20135217U.S. Geological Survey. 2014-01-01
Sando, Steven K. sksando@usgs.gov;  Vecchia, Aldo V.;  Lorenz, David L. lorenz@usgs.gov;  Barnhart, Elliott P. epbarnhart@usgs.gov
  |  View/Download：74/16
 
Trends in major-ion constituents and properties for selected sampling sites in the Tongue and Powder River watersheds, Montana and Wyoming, based on data collected during water years 1980-2010 [研究报告]
10.3133/sir20135179U.S. Geological Survey. 2014-01-01
Sando, Steven K. sksando@usgs.gov;  Vecchia, Aldo V.;  Barnhart, Elliott P. epbarnhart@usgs.gov;  Sando, Thomas R. tsando@usgs.gov;  Clark, Melanie L. mlclark@usgs.gov;  Lorenz, David L. lorenz@usgs.gov
  |  View/Download：46/5
 

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