TY - BOOK T1 - Geochemistry and migration of contaminants at the Weldon Spring chemical plant site, St. Charles County, Missouri--1989-91 DA - 1993. CY - Rolla, Mo. : CY - Denver, Colo. : AU - Schumacher, John G. CN - I 19.76: PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Earth Science Information Center, Open-File Reports Section [distributor], PP - Rolla, Mo. : PP - Denver, Colo. : PY - 1993. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 94-0789-M. ID - 197284 KW - Groundwater KW - Radioactive pollution of water KW - Groundwater TI - Geochemistry and migration of contaminants at the Weldon Spring chemical plant site, St. Charles County, Missouri--1989-91 ER -