Old Maps of Grand Portage, Minnesota for Metal Detecting
Plan your next treasure hunt with 7 historic maps of Grand Portage. 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 Grand Portage.
Grand Portage, MN maps
(7)- 1958 Map of Hancock, 1967 Print
1958 Hancock1967 Print · USGSCovers Grand Portage, including Houghton, Hancock, and other nearby areas2 unique versions available - 1959 Map of Grand Portage, 1967 Print
1959 Grand Portage1967 Print · USGSCovers Grand Portage, including Neebing, Unorganized Thunder Bay District, and other nearby areas2 unique versions available - 1960 Map of Hancock
1960 Hancock1960 Print · USGSCovers Grand Portage, including Houghton, Hancock, and other nearby areas - 1961 Map of Hancock
1961 Hancock1961 Print · USGSCovers Grand Portage, including Houghton, Hancock, and other nearby areas - 1966 Map of Hancock, 1987 Print
1966 Hancock1987 Print · USGSCovers Grand Portage, including Houghton, Hancock, and other nearby areas - 1985 Map of Grand Portage
1985 Grand Portage1985 Print · USGSCovers Grand Portage, including Neebing, Unorganized Thunder Bay District, and other nearby areas2 unique versions available - 1999 Map of Grand Portage, 2003 Print
1999 Grand Portage2003 Print · USGSCovers Grand Portage, including Neebing, Unorganized Thunder Bay District, and other nearby areas
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Frequently asked questions
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