USGS employee sampling a groundwater well
By Water Resources Mission Area
2009 (approx.)
![USGS employee sampling a groundwater well](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/cir1358_ch01ph7_majorfindings_SWPA.jpg?itok=vV7GRwuC)
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.