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• Investigation of mica deposits at the White Bear, Silver Dollar, Buster Dike, and Hot Shot mines, Custer County, S. Dak.
• Investigation of the Great Eastern nickel deposit, Clark County, Nev.
• Investigation of Black Diablo, Black Eagle, and Black Rock manganese deposits, Pershing and Lander Counties, Nevada
• Investigation of Tombstone District manganese deposits, Conchise County, Ariz.