Lat / long: | 34.68345, -92.23349 |
Primary: | Niobium (Columbium) |
Operation type: | Unknown |
Production size: | None |
Development status: | Occurrence |
MRDS | D001780 |
DEP | 10009107 |
Reference | {Deposit:: NIEBERLEIN AND OTHERS, 1954, PROGRESS REPORT ON THE DEVELOPMENT OF COLUMBIUM IN ARKANSAS FOR 1953, U. S. BUREAU OF MINES REPT. INV. 5064}{Deposit:: GORDON AND OTHERS, 1958, GEOLOGY OF THE ARKANSAS BAUXITE REGION, U. S. G. S. PROF. PAPER 299} |
Reporter | Parker, Raymond L. |