Open/Close Toolbox
Item Type: Map
Linked To
Contributing InstitutionCollectionRelated Sub-CollectionLocation
Menu
Click on the image to add
a tag or press ESC to cancel
a tag or press ESC to cancel
United States.ǀbBureau of Public Roads; United States. Department of the Interior, YNPHS Route 1-D, Old Faithful to West Thumb: Firehole River Bridge (1935-1936). Montana History Portal, accessed 14/05/2026, https://www.mtmemory.org/nodes/view/98665






