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研究报告 [6]
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Land-cover changes associated with oil and natural-gas production and concentrations of selected constituents in surface-water and streambed-sediment samples collected upstream from and within an area of oil and natural-gas production, south Texas, 2008–17 [研究报告]
10.3133/sir20185119U.S. Geological Survey. 2018-01-01
Crow, Cassi L. ccrow@usgs.gov;  Opsahl, Stephen P. sopsahl@usgs.gov;  Pedraza, Diana E.;  Pease, Emily C.;  Kushnereit, Ross K. rkushnereit@usgs.gov
View/Download：1/0
 
Selected streambed sediment compounds and water toxicity results for Westside Creeks, San Antonio, Texas, 2014 [研究报告]
10.3133/fs20163096U.S. Geological Survey. 2016-01-01
Crow, Cassi L. ccrow@usgs.gov;  Wilson, Jennifer T. jenwilso@usgs.gov;  Kunz, James L. jkunz@usgs.gov
View/Download：2/0
 
Occurrence and concentrations of selected trace elements, halogenated organic compounds, and polycyclic aromatic hydrocarbons in streambed sediments and results of water-toxicity testing in Westside Creeks and the San Antonio River, San Antonio, Texas, 2014 [研究报告]
10.3133/sir20165136U.S. Geological Survey. 2016-01-01
Crow, Cassi L. ccrow@usgs.gov;  Wilson, Jennifer T. jenwilso@usgs.gov;  Kunz, James L. jkunz@usgs.gov
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Sediment characteristics in the San Antonio River Basin downstream from San Antonio, Texas, and at a site on the Guadalupe River downstream from the San Antonio River Basin, 1966-2013 [研究报告]
10.3133/sir20145048U.S. Geological Survey. 2014-01-01
Crow, Cassi L. ccrow@usgs.gov;  Banta, J. Ryan;  Opsahl, Stephen P. sopsahl@usgs.gov
View  |  Adobe PDF(1586Kb)  |  View/Download：13/2
 
Origin and characteristics of discharge at San Marcos Springs based on hydrologic and geochemical data (2008-10), Bexar, Comal, and Hays Counties, Texas [研究报告]
U.S. Geological Survey. 2012-01-01
Musgrove, MaryLynn;  Crow, Cassi L. ccrow@usgs.gov
Adobe PDF(4514Kb)  |  View/Download：29/8
 
Water-level altitudes and continuous and discrete water quality at and near an aquifer storage and recovery site, Bexar, Atascosa, and Wilson Counties, Texas, June 2004-September 2011 [研究报告]
U.S. Geological Survey. 2012-01-01
Crow, Cassi L. ccrow@usgs.gov
View  |  Adobe PDF(1994Kb)  |  View/Download：1/0
 

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