Old Maps of Sumner, Montana for Metal Detecting

Plan your next treasure hunt with 6 historic maps of Sumner. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Sumner.


Sumner, MT maps

(6)
  1. 1920 Map of Avery
    1920 Map of Avery
    1920 Avery
    1920 Print · USGS
    Phillips and Blaine counties appear here just after the Great War, showing the rural network of the Montana high plains along the Canadian border. Genealogists can locate early community hubs like Caldwell P.O., Turner, and rural schools such as Hubert S.H..

  2. 1953 Map of Havre, 1967 Print
    1953 Map of Havre, 1967 Print
    1953 Havre
    1967 Print · USGS
    Northern Montana’s Hi-Line comes into focus in the mid-fifties, centered on the Milk River and the critical Great Northern rail link. Genealogists can trace small sidings and settlements like Assinniboine, Laredo, and Box Elder alongside the Fort Belknap Agency.
    3 unique versions available

  3. 1957 Map of Havre
    1957 Map of Havre
    1957 Havre
    1957 Print · USGS
    North-central Montana at the mid-century is defined by the vital Great Northern rail corridor and the winding Milk River. Researchers can trace old settlements like Laredo and Savoy, or locate historic sites such as the Hays (old) Sub Agency and the Chinook No 1 mine.

  4. 1958 Map of Havre
    1958 Map of Havre
    1958 Havre
    1958 Print · USGS
    Upper Montana in the late fifties was a landscape of remote rail towns and vast high-plain ranges. Genealogists and historians can trace the Great Northern railroad through Havre, Chinook, and the Fort Belknap Indian Reservation.

  5. 1984 Map of Horseshoe Lake
    1984 Map of Horseshoe Lake
    1984 Horseshoe Lake
    1984 Print · USGS
    The northern Montana prairie comes into focus in the mid-1980s, revealing a landscape shaped by rural agriculture and natural drainage. Researchers can trace the winding paths of Alkali Coulee and Lambing Coulee or locate isolated Storage Bins near the banks of Horseshoe Lake.

  6. 2024 Map of Horseshoe Lake, 2024 Print
    2024 Map of Horseshoe Lake, 2024 Print
    2024 Horseshoe Lake
    2024 Print · USGS
    Phillips County is captured here in the 2020s, showing a high plains landscape defined by its deep coulees and remote ranch roads. Genealogists and land researchers can locate Sumner and trace the drainage of Woody Island Coulee and Horseshoe Lake.

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