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3 résultats pour : water quality sample

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USGS worker collects a Hurricane Irene sample at the Mohawk River at Cohoes on August 29, 2010
UMG22A33_111

USGS worker collects a Hurricane Irene sample at t...

USGS hydrologist collecting a water quality sample from a NY stream ca. June 2010
UMG22A39_363

USGS hydrologist collecting a water quality sample...

USGS Water-Quality Sampling at St. Marks National Wildlife Refuge ca. 2010
UMG22A39_349

USGS Water-Quality Sampling at St. Marks National ...