| Reference | {Deposit:: MCKNIGHT, E.T., NEWMAN, W.L., AND HEYL, A.V., JR. (COMPILERS), 1962, ZINC IN THE UNITED STATES, EXCLUSIVE OF ALASKA AND HAWAII: USGS MINERAL INV. RESOURCE MAP MR-19, SEPARATE TEXT, 18 P.}{Deposit:: OESTERLING, W.A., 1952, GEOLOGIC AND ECONOMIC SIGNIFICANCE OF THE HUTSON ZINC MINE, SALEM, KENTUCKY--ITS RELATION TO THE ILLINOIS-KENTUCKY FLUORSPAR DISTRICT: ECON. GEOL., V. 47, NO. 3, P. 316-338.} |