TY - BOOK AU - Busby, John F. CN - QE75 CN - GB1019 CN - QE75 CY - Washington : CY - Denver, CO : DA - 1991. ID - 226712 KW - Hydrogeology KW - Water chemistry PB - U.S. G.P.O. ; PB - For sale by the Books and Open-File Reports Section, U.S. Geological Survey, PP - Washington : PP - Denver, CO : PY - 1991. T1 - Geochemical evolution of water in the Madison Aquifer in parts of Montana, South Dakota, and Wyoming / TI - Geochemical evolution of water in the Madison Aquifer in parts of Montana, South Dakota, and Wyoming / VL - 1273-F ER -