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Pennington Mountain Critical Minerals

By Bipartisan Infrastructure Law Investments April 2022 (approx.)
Image shows two men hiking through a dense forest
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Detailed Description

Geologists in the field at Pennington Mountain. The orange instrument is a portable gamma spectrometer. University of Maine-Presque Isle professor Chunzeng Wang (the lead author) is in front, Preston Bass is carrying the meter.

Sources/Usage

Public Domain.