1900s (20th Century) Maps of Malmstrom Air Force Base, Cascade County

Explore 6 historic maps of Malmstrom Air Force Base 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 Malmstrom Air Force Base'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 Malmstrom Air Force Base's history through authentic maps from the 1900s. This is your window into the past.


Malmstrom Air Force Base, Cascade County maps

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  1. 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

  2. 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

  3. 1954 Map of Great Falls
    1954 Map of Great Falls
    1954 Great Falls
    1954 Print · USGS
    The Missouri River valley in the mid-1950s is shown at a time of significant industrial and military growth. Genealogists and historians can locate early schools and rail stops like Tiger Butte Community Center, Fort Benton, and the Anaconda Wire Plant.
    4 unique versions available

  4. 1957 Map of Great Falls
    1957 Map of Great Falls
    1957 Great Falls
    1957 Print · USGS
    Montana's central plains and mountain foothills are captured here in the mid-fifties, showing the hub of Great Falls and the surrounding grain-shipping towns. Genealogists can trace family roots through the rail sidings of the Great Northern and small rural communities like Sand Coulee or Fort Benton.

  5. 1965 Map of Northeast Great Falls, 1968 Print
    1965 Map of Northeast Great Falls, 1968 Print
    1965 Northeast Great Falls
    1968 Print · USGS
    Northeast of Great Falls in the mid-sixties, the landscape reveals a heavy reliance on the river and the air base. Trace the industrial footprint of Ryan Dam and Malmstrom Air Force Base, or locate local landmarks like Giant Springs and Morningside Sch.
    3 unique versions available

  6. 1976 Map of Great Falls North, 1990 Print
    1976 Map of Great Falls North, 1990 Print
    1976 Great Falls North
    1990 Print · USGS
    North of the Missouri River in the mid-seventies, this survey shows a region defined by extensive irrigation projects and the growing footprint of Great Falls. Researchers can trace the Burlington Northern rail lines through Dutton or locate the sprawling Benton Lake National Wildlife Refuge.

End of results
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