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Scientist working to retrieve sampling gear from groundwater well.

By Communications and Publishing 2016 (approx.)
two men standing near a well. Truck-mounted rig and well head visible.
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Detailed Description

JJ Thordsen (USGS) and a wireline operator retrieving downhole vacuum sampler from a characterization well near a CO2 injection well at Citronelle oil field, Alabama.

Sources/Usage

Public Domain.