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Old Maps of Crystal Lake, Iowa for Metal Detecting

Plan your next treasure hunt with 10 historic maps of Crystal Lake. 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 Crystal Lake.

Crystal Lake, IA maps

(10)
  1. 1954 Map of Mason City, 1967 Print
    1954 Map of Mason City, 1967 Print
    1954 Mason City
    1967 Print · USGS
    Southern 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
  4. 1957 Map of Mason City
    1957 Map of Mason City
    1957 Mason City
    1957 Print · USGS
    The 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.
  7. 1958 Map of Mason City
    1958 Map of Mason City
    1958 Mason City
    1958 Print · USGS
    Southern 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.
  10. 1972 Map of Crystal Lake, 1975 Print
    1972 Map of Crystal Lake, 1975 Print
    1972 Crystal Lake
    1975 Print · USGS
    Hancock County was a thriving agricultural and rail hub in the early 1970s, centered on the waters of Crystal Lake. Researchers can trace old family roots at Township Cem or follow the historic routes of the Chicago Rock Island and Pacific railroad.
  13. 1985 Map of Mason City
    1985 Map of Mason City
    1985 Mason City
    1985 Print · USGS
    The Northern Iowa and Southern Minnesota borderlands are captured here in the mid-eighties, showing a region defined by agricultural drainage and rail heritage. Genealogists and historians can trace the grid of rural townships and find local landmarks like Pilot Knob State Park, Nora Springs, and Clear Lake State Park.
    2 unique versions available
  16. 2010 Map of Crystal Lake, 2010 Print
    2010 Map of Crystal Lake, 2010 Print
    2010 Crystal Lake
    2010 Print · USGS
    Covers Crystal Lake, including Hancock County, United States, and other nearby areas
  19. 2013 Map of Crystal Lake, 2013 Print
    2013 Map of Crystal Lake, 2013 Print
    2013 Crystal Lake
    2013 Print · USGS
    Covers Crystal Lake, including Hancock County, United States, and other nearby areas
  22. 2015 Map of Crystal Lake, 2015 Print
    2015 Map of Crystal Lake, 2015 Print
    2015 Crystal Lake
    2015 Print · USGS
    Covers Crystal Lake, including Hancock County, United States, and other nearby areas
  25. 2018 Map of Crystal Lake, 2018 Print
    2018 Map of Crystal Lake, 2018 Print
    2018 Crystal Lake
    2018 Print · USGS
    Covers Crystal Lake, including Hancock County, United States, and other nearby areas
  28. 2022 Map of Crystal Lake, 2022 Print
    2022 Map of Crystal Lake, 2022 Print
    2022 Crystal Lake
    2022 Print · USGS
    Crystal Lake and the surrounding Hancock County farmlands are captured in this recent survey of north-central Iowa. Genealogists and local historians can trace family land near Crystal Township Cem or follow the paths of the Boone River and Plum Cr.
End of results
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