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:: SMITH, W.S.T. AND SIEBENTHAL, C.E., 1907, JOPLIN DISTRICT FOLIO, USGS, GEOL. ATLAS OF THE U.S., FOLIO NO. 148.} |