TY - BOOK T1 - Analytical results of insoluble-residue samples from the Paducah 1° x 2° quadrangle, Missouri, Illinois, and Kentucky, drill holes nos. K1-K4 DA - 1991. CY - [Denver, CO] : AU - Bullock, John H. VL - 91-372-A CN - I 19.76: PB - U.S. Dept. of the Interior, Geological Survey : PB - [Books and Open-File Reports Section distributor], PP - [Denver, CO] : PY - 1991. N1 - Cover title. N1 - "USGS OFR 91-372-B is diskette version." N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 92-2235-M. ID - 200550 KW - Geochemical prospecting KW - Geochemical prospecting KW - Geochemical prospecting TI - Analytical results of insoluble-residue samples from the Paducah 1° x 2° quadrangle, Missouri, Illinois, and Kentucky, drill holes nos. K1-K4 ER -