TY - BOOK T1 - Water resources activities of the USGS, 1992 DA - 1993. CY - Reston, Va. : CY - Denver, Colo. : AU - Smith, Ethan T. CN - I 19.76: PB - U.S. Geological Survey ; PB - Earth Science Information Center, Open-File Reports Section [distributor], PP - Reston, Va. : PP - Denver, Colo. : PY - 1993. N1 - Title from header: Water resources activities of the USGS, 1990 ID - 199747 KW - Water resources development TI - Water resources activities of the USGS, 1992 ER -