TY - RPRT TI - Geochemical Modeling of the Madison Aquifer in Parts of Montana, Wyoming, and South Dakota AU - L.N. Plummer AU - J.F. Busby AU - R. W. Lee AU - B.B. Hanshaw PY - 2010 DO - 10.1029/wr026i009p01981 UR - https://pubs.usgs.gov/publication/70207275 ID - 70207275 ER -