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作者单位: | Pennsylvania Water Science Center
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Recommended Citation: |
Fulton, John W. jwfulton@usgs.gov,Koerkle, Edward H. ekoerkle@usgs.gov,McCoy, Jamie L. jlmccoy@usgs.gov,et al. Occurrence and trends in the concentrations of fecal-indicator bacteria and the relation to field water-quality parameters in the Allegheny, Monongahela, and Ohio Rivers and selected tributaries, Allegheny County, Pennsylvania, 2001–09. 2016-01-01.
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