Old Maps of Union, Minnesota for Metal Detecting
Plan your next treasure hunt with 10 historic maps of Union. 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 Union.
Union, MN maps
(10)- 1954 Map of Mason City, 1967 Print
1954 Mason City1967 Print · USGSSouthern Minnesota and northern Iowa are shown here at the height of the mid-century rail era, centered on the regional hubs of Mason City and Rochester. Researchers can trace the vanished paths of the Chicago Great Western and find local landmarks like Pilot Knob and Bear Lake.2 unique versions available - 1957 Map of Mason City
1957 Mason City1957 Print · USGSThe Minnesota-Iowa border region comes alive in this mid-century survey, from the industrial plants of Mason City to the medical hub of Rochester. Researchers can trace the rail-and-river economy through the Chicago Great Western Railway and the Shell Rock River. - 1958 Map of Mason City
1958 Mason City1958 Print · USGSSouthern Minnesota and northern Iowa are shown during the mid-fifties when railroads still anchored the regional economy. Genealogists and historians can trace the intricate rail networks of the Illinois Central and find local landmarks in Mason City, Albert Lea, and Austin. - 1967 Map of Steele Center, 1968 Print
1967 Steele Center1968 Print · USGSMinnesota dairy and farm country is captured here in the late sixties, showing the rural landscape before modern expansion. Genealogists can trace family footprints near Steele Center, Holy Trinity Cem, and the Danish Cem. - 1985 Map of Albert Lea
1985 Albert Lea1985 Print · USGSSouthern Minnesota's agricultural heartland is documented here in the mid-1980s, showing a landscape defined by industrial rail lines and managed waterways. Trace the historic routes of the Chicago and North Western and explore settlements like Hollandale, New Richland, and Bricelyn.2 unique versions available - 2010 Map of Steele Center, 2010 Print
2010 Steele Center2010 Print · USGSCovers Union, including Summit, Litomysl, and other nearby areas - 2013 Map of Steele Center, 2013 Print
2013 Steele Center2013 Print · USGSCovers Union, including Summit, Litomysl, and other nearby areas - 2016 Map of Steele Center, 2016 Print
2016 Steele Center2016 Print · USGSCovers Union, including Summit, Litomysl, and other nearby areas - 2019 Map of Steele Center, 2019 Print
2019 Steele Center2019 Print · USGSCovers Union, including Summit, Litomysl, and other nearby areas - 2022 Map of Steele Center, 2022 Print
2022 Steele Center2022 Print · USGSSteele County's rural heartland is meticulously mapped in this recent survey of its historic crossroads and immigrant cemeteries. Genealogists and local historians can trace family roots through the Steele Center Lutheran Cem, Bohemian Cem, and the community of Litomysl.
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