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USGS employee sampling a groundwater well 2

By Water Resources Mission Area 2009 (approx.)
USGS employee sampling a groundwater well 2
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Detailed Description

USGS employee sampling a groundwater well. Photo from USGS circular 1358 "Water Quality in Basin-Fill Aquifers of the Southwestern United States: Arizona, Californian, Colorado, Nevada, New Mexico, and Utah, 1993-2009.

Sources/Usage

Public Domain.