| Reference | {Deposit:: BAXTER, J. W., DESBOROUGH, G. A., SHAW, C. W., 1967, AREAL GEOLOGY OF THE ILLINOIS FLUORSPAR DISTRICT, PART 3: ILL. STATE GEOLOGICAL SURVEY CIRC. 413, 41 P.}{Deposit:: GROGAN, R. M. AND BRADBURY, J. C., 1968, FLUORITE-ZINC-LEAD DEPOSITS OF THE ILLINOIS - KENTUCKY MINING DISTRICT: IN RIDGE, J. D., ED., ORE DEPOSITS OF THE U.S. 1933 - 1967; AIME V. 1 P. 370 - 399}{Deposit:: TRACE, R. D., 1974, ILLINOIS- KENTUCKY FLUORSPAR DISTRICT: IN HUTCHESON, D. W., ED., SYMPOSIUM ON GEOLOGY OF FLUORSPAR, KENTUCKY GEOL. SURV. SPECIAL PUB 22 P. 58 - 76}{Deposit:: WELLER, J. M., GROGAN, R. M. AND TIPPIE, F. E., 1952, GEOLOGY OF THE FLUORSPAR DEPOSITS OF ILLINOIS:ILL. STATE GEOLOGICAL SURVEY BULL. 76, 147 P.}{Deposit:: 1942 GEOLMAP ILL. STATE GEOLOGICAL SURVEY, J.M. WELLER}{Deposit:: 1961 GEOLMAP ILL. STATE GEOLOGICAL SURVEY, DESBOROUGH ET. AL.}{Deposit:: MC GINNIS, L. D. AND BRADBURY, J. C., 1964, AEROMAGNETIC STUDY OF THE HARDIN COUNTY AREA, ILLINOIS: ILL. STATE GEOLOGICAL SURVEY CIRC. 363, 12 P.}{Deposit:: 1964 GEOPHYS ILL. STATE GEOLOGICAL SURVEY; AEROMAG. SURVEY} |