TY - BOOK T1 - Analytical results of insoluble-residue samples from the Paducah 1° x 2° quadrangle, Missouri, Illinois, and Kentucky, drill holes nos. P1-P20 DA - 1991. CY - Denver, CO : AU - Bullock, John H. VL - 91-378-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 91-378-B is diskette version." N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 92-2235-M. ID - 200556 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. P1-P20 ER -