1900s (20th Century) Maps of Potomac, Montana
Explore 8 historic maps of Potomac from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Potomac's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Potomac's history through authentic maps from the 1900s. This is your window into the past.
Potomac, MT maps
(8)- 1903 Map of Bonner
1903 Bonner1903 Print · USGSMissoula and the surrounding river canyons come to life in this turn-of-the-century survey during the height of early rail expansion. Trace the original path of the Northern Pacific through mountain passes and locate early settlements like Bonner, Potomac, and Clinton.4 unique versions available - 1947 Map of Butte, 1949 Print
1947 Butte1949 Print · USGSWestern Montana at the peak of its rail-and-river era shows the vital connections between the mining and industrial centers of Butte and Helena. Researchers can trace the three major railroad lines serving mountain settlements like Garrison, Philipsburg, and Warm Springs.2 unique versions available - 1958 Map of Butte
1958 Butte1958 Print · USGSCovers Potomac, including Missoula, Butte, and other nearby areas5 unique versions available - 1960 Map of Butte
1960 Butte1960 Print · USGSCovers Potomac, including Missoula, Butte, and other nearby areas - 1962 Map of Butte
1962 Butte1962 Print · USGSWestern Montana in the early sixties remains a landscape of industrial muscle and high-mountain passes. Trace the rail lines of the Northern Pacific through Deer Lodge and the mining history around Anaconda and Philipsburg. - 1965 Map of Potomac, 1967 Print
1965 Potomac1967 Print · USGSThe Blackfoot River valley near Potomac was a hub of rail activity and forestry in the mid-sixties. Researchers can trace the path of the Milwaukee Road past Thibideau Rapids and through the Ninemile Prairie area.2 unique versions available - 1984 Map of Missoula East
1984 Missoula East1984 Print · USGSThe Clark Fork valley and the Garnet Range are shown here in the mid-1980s as the region's timber and rail heritage remained prominent. Researchers can trace the Burlington Northern line and locate old mining sites like Garnet and the Copper Cliff Mine. - 1999 Map of Potomac, 2003 Print
1999 Potomac2003 Print · USGSMissoula County river life and forestry come into focus during the late 1990s as the Blackfoot River winds through dedicated public lands. Outdoor enthusiasts and local historians can trace access points like Thibodeau Fishing Access and landmarks like Whitaker Bridge or the Potomac settlement.
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