TY - BOOK T1 - Surface-Water Quality-Assurance Plan for the Montana District of the U.S. Geological Survey / DA - 1998. CY - Helena, Mont. : CY - Denver, CO : AU - White, M. K. AU - Shields, Ronald R. AU - Dodge, Kent A. VL - 98-173 CN - I 19.76: PB - U.S. Geological Survey ; PB - Branch of Information Services [distributor], PP - Helena, Mont. : PP - Denver, CO : PY - 1998. N1 - "U.S. Department of the Interior, U.S. Geological Survey"--Verso t.p. N1 - "July 1998"--Verso t.p. ID - 216812 KW - Water quality TI - Surface-Water Quality-Assurance Plan for the Montana District of the U.S. Geological Survey / ER -