Radioactive Phonolite and Associated Thorium - Rare Earth - Niobium Veins in the Laughlin Peak Area, Chico Hills, Colfax County, New Mexico
Description: Report discussing the investigation of possibly commercial amounts of thorium, niobium and rare earths which were found in veins of igneous rock areas in Laughlin Peak, New Mexico.
Date: December 1958
Creator: Tschanz, Charles M.
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