https://www.usgs.gov/media/images/mountain-pass-mine-california
Mountain Pass mine in California | U.S. Geological Survey
Open pit rare earth element mine at Mountain Pass, California. Stepped sides of the pit and access for mining vehicles are shown.
mountain pass minecaliforniageologicalsurvey
https://www.mining.com/us-interior-publicly-backs-rare-earth-mine-next-to-mountain-pass/
US Interior publicly backs rare earth mine next to Mountain Pass - MINING.COM
Jun 10, 2025 - Secretary of the Interior Doug Burgum said reviving the Colosseum project is pivotal to bolstering America's critical minerals supply chain.