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1900s (20th Century) Maps of Mandan, Grant Township

Explore 10 historic maps of Mandan 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 Mandan'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 Mandan's history through authentic maps from the 1900s. This is your window into the past.

Mandan, Grant Township maps

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  1. 1938 Map of Delaware
    1938 Map of Delaware
    1938 Delaware
    1938 Print · USGS
    The Keweenaw Peninsula in the late 1930s shows a landscape of mining-era remnants and early coastal tourism. Genealogists and historians can trace the small settlements of Delaware and Mandan, or follow the Old Railroad Grade past Lac La Belle.
  4. 1939 Map of Delaware
    1939 Map of Delaware
    1939 Delaware
    1939 Print · USGS
    Keweenaw's copper country is shown in the late thirties, featuring the inland settlements and dramatic shoreline ridges. Trace the industrial landscape through the old Railroad Grade at Delaware and the scenic Brockway Mountain Drive.
  7. 1948 Map of Delaware, 1955 Print
    1948 Map of Delaware, 1955 Print
    1948 Delaware
    1955 Print · USGS
    Keweenaw County’s rugged northern tip appears in the late 1940s, from the rocky harbor at Agate Point down to the settlement at Delaware. You can trace the complex geography of the Montreal River valley and find early mining-era sites like Mandan and Lac La Belle.
    8 unique versions available
  10. 1949 Map of Delaware
    1949 Map of Delaware
    1949 Delaware
    1949 Print · USGS
    The Keweenaw Peninsula’s rugged northern coast and interior ridges are captured here just after the war. Genealogists and local historians can locate the early settlements of Delaware and Mandan or trace the winding Montreal River toward Lac La Belle.
    4 unique versions available
  13. 1958 Map of Hancock, 1967 Print
    1958 Map of Hancock, 1967 Print
    1958 Hancock
    1967 Print · USGS
    The Keweenaw Peninsula and Isle Royale are seen here during the mid-twentieth century as mining and maritime hubs. Trace the dense town layouts of Hancock and Calumet, or locate remote coastal markers like the Eagle Harbor Lighthouse and Rock of Ages Light.
    2 unique versions available
  16. 1960 Map of Hancock
    1960 Map of Hancock
    1960 Hancock
    1960 Print · USGS
    The Keweenaw Peninsula and Isle Royale are captured in detail during the late 1950s. Researchers can trace copper-mining era settlements like Calumet and Laurium, or locate remote maritime landmarks such as the Isle Royale Lighthouse.
  19. 1961 Map of Hancock
    1961 Map of Hancock
    1961 Hancock
    1961 Print · USGS
    The Keweenaw Peninsula and Isle Royale are shown here at the start of the 1960s, featuring the region's historic copper mining and maritime infrastructure. Genealogists and researchers can trace local families through settlements like Atlantic Mine and Painesdale, or locate remote landmarks including Rock of Ages Light and Eagle Harbor.
  22. 1966 Map of Hancock, 1987 Print
    1966 Map of Hancock, 1987 Print
    1966 Hancock
    1987 Print · USGS
    The Keweenaw Peninsula and Isle Royale are captured in the mid-1960s during a pivotal era for Michigan’s Copper Country. Trace the industrial footprint of the SOO LINE through Calumet or locate historic maritime landmarks like Fort Wilkins and Rock of Ages Light.
  25. 1985 Map of Hancock
    1985 Map of Hancock
    1985 Hancock
    1985 Print · USGS
    The Keweenaw Peninsula in the mid-1980s reveals a landscape shaped by copper and the Great Lakes. You can trace the industrial legacy of the region through the Quincy Mine, the Old RR Grade, and old cemeteries like Forest Hill Cem.
    3 unique versions available
  28. 1997 Map of Delaware, 1999 Print
    1997 Map of Delaware, 1999 Print
    1997 Delaware
    1999 Print · USGS
    Keweenaw's copper-country ridges and rocky harbors are captured here in the late nineties, from the heights of the peninsula to the shore. Trace the old settlement sites of Delaware and Mandan or follow the winding Shore Drive past Agate Harbor and Lac La Belle.
End of results
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Frequently asked questions

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