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1940s Maps of Cascade County, Montana

Explore 7 historic maps of Cascade County from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — 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 Cascade County's landscape evolved across the 1940s, 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 1940s, 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 Cascade County's history through authentic maps from the 1940s. This is your window into the past.

Cascade County, MT maps

(7)
  1. 1943 Map of Hogan
    1943 Map of Hogan
    1943 Hogan
    1943 Print · USGS
    Crossing the Continental Divide during the early twentieth century, this survey shows the high-country landscape between the Sun and Dearborn rivers. Researchers can trace early settlements like Stearns and Hogan, or find remote landmarks such as Silver Camp and the Dry Creek Reservoir Site.
  4. 1948 Map of Portage
    1948 Map of Portage
    1948 Portage
    1948 Print · USGS
    The Missouri River corridor near Great Falls is shown in the late 1940s, a landscape shaped by hydroelectric dams and expanding military aviation. Genealogists and researchers can trace local landmarks like Goffe Ranch, Salem Sch, and the Great Northern rail lines.
    4 unique versions available
  7. 1948 Map of White Sulphur Springs, 1951 Print
    1948 Map of White Sulphur Springs, 1951 Print
    1948 White Sulphur Springs
    1951 Print · USGS
    Montana's capital and the high country of the Big Belt Mountains come alive in this mid-century survey. Trace the early hydroelectric developments at Canyon Ferry Dam or follow the historic rail lines through Ringling and Townsend.
  10. 1949 Map of Portage
    1949 Map of Portage
    1949 Portage
    1949 Print · USGS
    The Missouri River breaks through the Montana high plains in the late 1940s, revealing a landscape of vital hydroelectric dams and rural rail stops. Local historians can trace the development of Morony Dam, family holdings at Golie Ranch, and early settlements like Portage.
    2 unique versions available
  13. 1949 Map of Cascade, 1956 Print
    1949 Map of Cascade, 1956 Print
    1949 Cascade
    1956 Print · USGS
    Cascade and Ulm are captured here at the mid-century point, during a period of steady ranching and river-side development along the Missouri River. Genealogists and historians can locate the Castner Falls Cem, Superior School, and the defunct Elizabeth Reservoir.
    2 unique versions available
  16. 1949 Map of Great Falls, 1966 Print
    1949 Map of Great Falls, 1966 Print
    1949 Great Falls
    1966 Print · USGS
    Mid-century Great Falls and the Missouri River basin are shown here during a period of post-war industrial and educational expansion. Researchers can trace the heritage of the area via the Bootlegger Trail, the Black Eagle Dam, and schools like Ursuline Academy and McKinley Sch.
  19. 1949 Map of Vaughn, 1968 Print
    1949 Map of Vaughn, 1968 Print
    1949 Vaughn
    1968 Print · USGS
    The Sun River valley is captured here in the late 1940s, showing a landscape defined by industrial rail lines and sophisticated irrigation. You can trace the path of the Great Northern railroad through Vaughn or locate the Gettel School and Sun River Cemetery.
End of results
Showing maps 1-7 of 7

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Frequently asked questions

  • What are the different types of historical maps available for Cascade County?
  • What is the oldest map of Cascade County?
  • Where can I purchase historical maps of Cascade County for my home or office?
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  • Are there historical topographic maps available for Cascade County?
  • Is there historical aerial imagery available for Cascade County?
  • Where are historical maps of Cascade County sourced from?