| Reference | {Deposit:: CAMERON, E.N. AND WEIS, P.L., 1960: STRATEGIC GRAPHITE - A SURVEY: U.S. GEOLOGICAL SURVEY BULL. 1082-E, P.201-321}{Deposit:: PAIGE, SIDNEY, 1911: MINERAL RESOURCES OF THE LLANO-BURNET REGION, TEXAS, U.S. GEOLOGICAL SURVEY BULL. 450, P.77-81}{Deposit:: TAYLOR, JR., H.A., 1984: U.S. BUREAU OF MINES, PERS. COMMUN.} |