References: |
- Deposit:: BAXTER, J.W., DESBOROUGH, G.A. AND SHAW, C.W., 1967, AREAL GEOLOGY OF THE ILLINOIS FLUORSPAR DISTRICT PART 3: ILL. STATE GEOLOGICAL SURVEY CIRC. 413, 41 P.
- 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
- Deposit:: 1961 GEOLMAP ILL. STATE GEOLOGICAL SURVEY
- 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
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