Maps
We house a large collection of printed and manuscript maps, including historical U.S. Geological Survey topographic maps, initial township plats and homesteads of the U.S. Surveyor General, Sanborn Fire Insurance maps, railroad right‑of‑way maps, mining maps, blueprints, and other types of maps. Patrons can find maps in our library catalog and view them in our Reference Room.
Digitized Maps
Selected historical maps can be found in the Mapping Montana and the West digital collection in the Montana History Portal, a collaboration between the University of Montana Mansfield Library and the MTHS Library & Archives.
Sanborn Maps
The Library of Congress provides online access to Sanborn Fire Insurance Maps for several cities and towns in Montana in its Sanborn Maps Collection.
Topographic Maps
Find historical topographic maps of Montana in The National Map’s Historical Topographic Map Collection by the National Geospatial Program at the United States Geological Survey.
