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Comparability among four invertebrate sampling methods and two multimetric indexes, Fountain Creek Basin, Colorado, 2010–2012 [研究报告]
10.3133/sir20185061U.S. Geological Survey. 2018-01-01
Bruce, James F. jbruce@usgs.gov;  Roberts, James J. jroberts@usgs.gov;  Zuellig, Robert E. rzuellig@usgs.gov
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Changes in biological communities of the Fountain Creek Basin, Colorado, 2003–2016, in relation to antecedent streamflow, water quality, and habitat [研究报告]
10.3133/sir20175162U.S. Geological Survey. 2018-01-01
Roberts, James J. jroberts@usgs.gov;  Bruce, James F. jbruce@usgs.gov;  Zuellig, Robert E. rzuellig@usgs.gov
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Water-quality trends in the nation’s rivers and streams, 1972–2012—Data preparation, statistical methods, and trend results [研究报告]
10.3133/sir20175006U.S. Geological Survey. 2017-01-01
Oelsner, Gretchen P. goelsner@usgs.gov;  Sprague, Lori A. lsprague@usgs.gov;  Murphy, Jennifer C. jmurphy@usgs.gov;  Zuellig, Robert E. rzuellig@usgs.gov;  Johnson, Henry M.;  Ryberg, Karen R. kryberg@usgs.gov;  Falcone, James A. jfalcone@usgs.gov;  Stets, Edward G. estets@usgs.gov;  Vecchia, Aldo V.;  Riskin, Melissa L. mriskin@usgs.gov;  De Cicco, Laura A. ldecicco@usgs.gov;  Mills, Taylor J. tmills@usgs.gov;  Farmer, William H. wfarmer@usgs.gov
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Macroinvertebrate community sample collection methods and data collected from Sand Creek and Medano Creek, Great Sand Dunes National Park and Preserve, Colorado, 2005–07 [研究报告]
10.3133/ds1012U.S. Geological Survey. 2016-01-01
Ford, Morgan A. mford@usgs.gov;  Zuellig, Robert E. rzuellig@usgs.gov;  Walters, David M. waltersd@usgs.gov;  Bruce, James F. jbruce@usgs.gov
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Comparability among four invertebrate sampling methods, Fountain Creek Basin, Colorado, 2010-2012 [研究报告]
10.3133/sir20145049U.S. Geological Survey. 2014-01-01
Zuellig, Robert E. rzuellig@usgs.gov;  Bruce, James F. jbruce@usgs.gov;  Stogner, Robert W. rstogner@usgs.gov;  Brown, Krystal D. kdtezak@usgs.gov
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