Old Maps of Portage, Montana for Genealogy
Trace your family roots with 12 historic maps of Portage. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.
- Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
- Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
- Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.
These maps are an incredible resource for exploring your personal connection to Portage's past.
Portage, MT maps
(12)- 1886 Map of Great Falls
1886 Great Falls1886 Print · USGSCentral Montana in the mid-1880s is defined by its great river systems and the early footprints of frontier outposts. Researchers can trace the early development of Great Falls, find the site of St. Peter's Mission, and locate river settlements like Truly and Fort Shaw.4 unique versions available - 1948 Map of Portage
1948 Portage1948 Print · USGSThe 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 - 1949 Map of Portage
1949 Portage1949 Print · USGSThe 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 - 1954 Map of Great Falls
1954 Great Falls1954 Print · USGSThe 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 - 1957 Map of Great Falls
1957 Great Falls1957 Print · USGSMontana'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. - 1965 Map of Floweree, 1967 Print
1965 Floweree1967 Print · USGSThe Montana high plains north of Great Falls are captured here in the mid-1960s, showing the intersection of the Great Northern rail line and the Missouri River. Researchers can trace the rural communities of Floweree and Portage alongside rugged features like Widow Coulee.2 unique versions available - 1976 Map of Great Falls North, 1990 Print
1976 Great Falls North1990 Print · USGSNorth 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. - 2011 Map of Floweree, 2011 Print
2011 Floweree2011 Print · USGSChouteau County's rural plains meet the winding Missouri River in this 2011 survey of North-Central Montana. Genealogists and local historians can trace the roads connecting Floweree and Portage, while locating water features like Floweree Lake and Robertson Dam. - 2014 Map of Floweree, 2014 Print
2014 Floweree2014 Print · USGSBig Sky country on the Chouteau-Cascade county line shows its modern agricultural face in this 2014 study of the high plains. Genealogists and local historians can trace landholdings near Floweree and Portage, or locate landmarks like Floweree Lake and Widow Coulee. - 2017 Map of Floweree, 2017 Print
2017 Floweree2017 Print · USGSBig Sky ranching country at the Chouteau and Cascade county line centers on the historic settlements of Floweree and Portage. Local historians can trace family-named roads like Berts Ln and explore the rugged drainage systems of Widow Coulee and Huntley Coulee. - 2020 Map of Floweree, 2020 Print
2020 Floweree2020 Print · USGSThe high plains north of Great Falls are captured here in the early twenty-first century, showing the small settlements of Floweree and Portage. Genealogists and local historians can trace family locations along Floweree Rd or near Floweree Lake and Widow Coulee. - 2024 Map of Floweree, 2024 Print
2024 Floweree2024 Print · USGSThe northern plains and Missouri River breaks are captured here in the 2020s. Researchers can trace the BNSF rail line through Floweree or explore the deep ravines of Huntley Coulee and Widow Coulee.
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