1. Geologic history and hydrogeologic units of intermontane basins of the northern Rocky Mountains, Montana and Idaho Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
2. Geohydrologic conditions and land use in the Gallatin Valley, southwestern Montana, 1992-93 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Helena, Montana : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading