TY - BOOK T1 - A data base of nitrate in ground-water samples from the conterminous United States DA - 1992. CY - Reston, Va. : CY - Denver, CO : AU - Lanfear, Kenneth J. CN - I 19.76: PB - U.S. Dept. of the Interior, U.S. Geological Survey ; PB - Books and Open-File Reports Section [distributor], PP - Reston, Va. : PP - Denver, CO : PY - 1992. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 93-1136-M. ID - 199008 KW - Groundwater KW - Water TI - A data base of nitrate in ground-water samples from the conterminous United States ER -