The focus of our current mapping is southwest Montana in the Dillon and Wisdom 30′ x 60′ quadrangles. MBMG geologists are also working with the Idaho Geologic Survey along our common state border to ensure the geology matches.
The MBMG has published over 500 geologic maps. All maps and associated GIS data and databases are available for free download.
Download geologic mapsThe following 1:24,000-scale geologic maps have recently been released by the MBMG and are available for download from our online catalog. Click on any map below to view the available products.
The following 1:100,000-scale geologic maps have recently been released by the MBMG and are available for download from our online catalog. Click on any map below to view the available products.
