Reference | {Deposit:: PIRKLE, E.C., PIRKLE, W.A., AND YOHO, W.H., 1974, THE GREEN COVE SPRINGS AND BOULOGNE HEAVY MINERAL SAND DEPOSITS OF FLORIDA: ECONOMIC GEOLOGY, V. 69, NO., P. 1129-1137.}{Deposit:: INDUSTRIAL MINERALS, 1980, AMA TAKES UP GREEN COVE SPRINGS OPTION: JUNE, P. 14-15.}{Deposit:: US BUREAU OF MINES, 1942-84, MINERALS YEARBOOK (1939-82): WASHINGTON, D.C., US GOVERNMENT PRINTING OFFICE, 106V.}{Deposit:: FANTEL, R.J., ET AL, 1986, TITANIUM MINERALS AVAILABILITY - MARKET ECONOMY COUNTRIES, US BUREAU OF MINES INFORMATION CIRCULAR 9061, 48 P.}{Deposit:: TOWNER, ROY, 1985, MINERAL SANDS = TRAIL RIDGE, FLORIDA, MINERAL INTELLIGENCE REPORT, BUREAU OF MINERAL RESOURCES, AUSTRALIA (PERS. COMMUNICATION WITH DUPONT).} |