Old Maps of Colwell, Iowa for Metal Detecting

Plan your next treasure hunt with 10 historic maps of Colwell. 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 Colwell.


Colwell, 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

  2. 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.

  3. 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.

  4. 1971 Map of Colwell, 1973 Print
    1971 Map of Colwell, 1973 Print
    1971 Colwell
    1973 Print · USGS
    Upper Iowa farm country and the meeting of four counties are captured here in the early seventies as the rail era left its mark on the land. Genealogists and historians can trace the Old Grade Railroad, find St Cecilia Ch, and locate Beckwith Cem.

  5. 1985 Map of Charles City
    1985 Map of Charles City
    1985 Charles City
    1985 Print · USGS
    Northern Iowa and the Minnesota borderlands are mapped here in the mid-1980s as a thriving network of rail-side towns and river valleys. Trace local history through the Reilly Settlement, Stacyville Junction, and aviation sites like Ellen Church Field.
    2 unique versions available

  6. 2010 Map of Colwell, 2010 Print
    2010 Map of Colwell, 2010 Print
    2010 Colwell
    2010 Print · USGS
    Covers Colwell, including Nilesville, Floyd County, and other nearby areas

  7. 2013 Map of Colwell, 2013 Print
    2013 Map of Colwell, 2013 Print
    2013 Colwell
    2013 Print · USGS
    Covers Colwell, including Nilesville, Floyd County, and other nearby areas

  8. 2015 Map of Colwell, 2015 Print
    2015 Map of Colwell, 2015 Print
    2015 Colwell
    2015 Print · USGS
    Covers Colwell, including Nilesville, Floyd County, and other nearby areas

  9. 2018 Map of Colwell, 2018 Print
    2018 Map of Colwell, 2018 Print
    2018 Colwell
    2018 Print · USGS
    Covers Colwell, including Nilesville, Floyd County, and other nearby areas

  10. 2022 Map of Colwell, 2022 Print
    2022 Map of Colwell, 2022 Print
    2022 Colwell
    2022 Print · USGS
    The crossroads community of Colwell and the surrounding farmland are documented here at the convergence of four Iowa counties. Genealogists and local historians can trace family roots through the Saint Patricks Cem and Beckwith Cem or follow the banks of the Wapsipinicon River.

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