U.S. Geological Survey Mineral Resourc… |
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U.S. Geological Survey Mineral Resources Program (unverified)
Contact information:
Peter N. Schweitzer
U.S. Geological Survey Mineral Resources Program
mailing address:
Mail Stop 954 USGS National Center,
20192
Reston,
USA
Email:
Phone: 703-648-6533
Nb_REE_Carbonatite_Deposits (Nb_REE_Carbonatite_Deposits)
Nb_REE_Carbonatite_Deposits
carbonatite (carbonatite)
USGS Web Mapping Service: Nb-REE carbonatite deposits
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