Pennington Mountain Critical Minerals
By Bipartisan Infrastructure Law Investments
April 2022 (approx.)
![Image shows two men hiking through a dense forest](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Pennington%20Mountain%20Field%20View.png?itok=aCygoiDl)
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.