Old Maps of Mandan, Grant Township for Metal Detecting
Plan your next treasure hunt with 15 historic maps of Mandan. 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 Mandan.
Mandan, Grant Township maps
(15)- 1938 Map of Delaware
1938 Delaware1938 Print · USGSThe 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. - 1939 Map of Delaware
1939 Delaware1939 Print · USGSKeweenaw'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. - 1948 Map of Delaware, 1955 Print
1948 Delaware1955 Print · USGSKeweenaw 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 - 1949 Map of Delaware
1949 Delaware1949 Print · USGSThe 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 - 1958 Map of Hancock, 1967 Print
1958 Hancock1967 Print · USGSThe 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 - 1960 Map of Hancock
1960 Hancock1960 Print · USGSThe 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. - 1961 Map of Hancock
1961 Hancock1961 Print · USGSThe 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. - 1966 Map of Hancock, 1987 Print
1966 Hancock1987 Print · USGSThe 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. - 1985 Map of Hancock
1985 Hancock1985 Print · USGSThe 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 - 1997 Map of Delaware, 1999 Print
1997 Delaware1999 Print · USGSKeweenaw'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. - 2011 Map of Delaware, 2011 Print
2011 Delaware2011 Print · USGSCovers Mandan, including Grant Township, Eagle Harbor Township, and other nearby areas - 2014 Map of Delaware, 2014 Print
2014 Delaware2014 Print · USGSCovers Mandan, including Grant Township, Eagle Harbor Township, and other nearby areas - 2017 Map of Delaware, 2017 Print
2017 Delaware2017 Print · USGSCovers Mandan, including Grant Township, Eagle Harbor Township, and other nearby areas - 2019 Map of Delaware, 2019 Print
2019 Delaware2019 Print · USGSCovers Mandan, including Grant Township, Eagle Harbor Township, and other nearby areas - 2023 Map of Delaware, 2023 Print
2023 Delaware2023 Print · USGSKeweenaw Peninsula's rugged northern ridge is captured here in the early twenty-first century. Researchers can trace the legacy of copper mining and remote settlements at Delaware, Mandan, and the lakefront village of Lac La Belle.
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