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"...#USGS’s #EarthMappingResourcesInitiative, or #EarthMRI...
USGS has already made the
"...discovery of rocks that are rich in #RareEarth elements near
#PenningtonMountain..." in Northern #Maine.

Last year, the #USGS "... released a new list of 50 mineral commodities critical to the U.S. #economy and #NationalSecurity after an extensive multi-agency assessment."

The list gives short explanation of why the...