TY - RPRT TI - Surficial geology and Quaternary tectonics of the Madison Valley and fault zone, Madison, Gallatin, and Beaverhead Counties, southwest Montana AU - Chester A. Ruleman AU - Theodore R. Brandt PY - 2025 DO - 10.3133/sim3508 UR - https://pubs.usgs.gov/publication/sim3508 ID - sim3508 ER -