Reference | {Deposit:: Pinckney, D.M., 1976, Mineral resources of the Illinois-Kentucky mining district: U.S. Geological Survey Professional Paper 970, 15 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 UNITED STATES 1933-1967 (GRATON-SALES VOLUME) V. 1: AMERICAN INSTITUTE OF MINING, METALLURGICAL AND PETROLEUM ENGINEERS, P. 370-399.}{Deposit:: Heyl, A.V., 1983, Geologic characteristec of three major Mississippi Valley Districts: in International Conference on Mississippi Valley type lead-zinc deposits; Kisvarsanyi, G., Grant, S.K., Pratt, W.P., and Koenig, J.W., (eds.) , University of Missouri, Rolla, p. 27-60.}{Geology:: Goldstein, A., 1997, The Illinois-Kentucky fluorite district: The Mineralogical Record, v. 28, p. 3 - 50.} |