TY - BOOK AU - Busby,John F. TI - Geochemistry of water in aquifers and confining units of the northern Great Plains in parts of Montana, North Dakota, South Dakota, and Wymoming T2 - Regional aquifer-system analysis--Northern Great Plains AV - GB857.2.W55 G46 1994 U1 - 551.49/0978 20 PY - 1994/// CY - Washington, Denver, CO PB - U.S. G.P.O., For sale by the Books and Open-File Section, U.S. Geological Survey KW - Water chemistry KW - Williston Basin KW - Local KW - Aquifers N1 - Includes bibliographical references ER -