TY - BOOK AU - Busby,John F. TI - Geochemical evolution of water in the Madison Aquifer in parts of Montana, South Dakota, and Wyoming: geology and hydrology of the Madison Limestone and associated rocks in parts of Montana, Nebraska, North Dakota, South Dakota, and Wyoming T2 - U.S. Geological Survey professional paper AV - GB1019 .G46 1991 U1 - 551.48/09786 20 PY - 1991/// CY - Washington PB - U.S. G.P.O. KW - Hydrogeology KW - Madison Aquifer KW - Local KW - Water chemistry N1 - Includes bibliographical references ER -