Old Maps of Mason City, Iowa for Metal Detecting

Plan your next treasure hunt with 29 historic maps of Mason City. 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 Mason City.


Mason City, IA maps

(29)
  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. 1959 Map of Mason City, 1960 Print
    1959 Map of Mason City, 1960 Print
    1959 Mason City
    1960 Print · USGS
    Mason City at the end of the fifties reveals a bustling industrial landscape shaped by its river and rail corridors. Researchers can trace the mid-century growth of local neighborhoods and find specific landmarks like Elmwood Cemetery, Asbury Park, and School No 5.
    2 unique versions available

  5. 1959 Map of Mason City, 1961 Print
    1959 Map of Mason City, 1961 Print
    1959 Mason City
    1961 Print · USGS
    North Central Iowa’s rail and river networks are captured here during the late fifties, centered on the bustling hub of Mason City. Genealogists and local historians can trace rural schools and cemeteries like Bath Sch No 9 and Rock Falls Cem alongside the industrial Claypits.

  6. 1959 Map of Nora Springs, 1966 Print
    1959 Map of Nora Springs, 1966 Print
    1959 Nora Springs
    1966 Print · USGS
    Nora Springs and the Shell Rock River valley are captured here in the late fifties at a peak of mid-century rail and river industry. Genealogists and local historians can trace the Chicago Rock Island and Pacific rail lines, find Spring Grove Cem, or locate the Spotts Landing Field.

  7. 1959 Map of Hanford, 1966 Print
    1959 Map of Hanford, 1966 Print
    1959 Hanford
    1966 Print · USGS
    Cerro Gordo County agricultural life and rail commerce intersect at the close of the 1950s. Genealogists can trace family lands near Hanford and Hurley, or locate old school sites like Bath Sch No 9 and Sch No 3.

  8. 1972 Map of Clear Lake East, 1975 Print
    1972 Map of Clear Lake East, 1975 Print
    1972 Clear Lake East
    1975 Print · USGS
    North central Iowa’s agricultural and industrial hub is captured in the early seventies as the connection between two growing cities solidifies. Researchers can locate the Lincoln Cem, the Mason City Municipal Airport, and the rail junction at Emery.

  9. 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

  10. 2010 Map of Hanford, 2010 Print
    2010 Map of Hanford, 2010 Print
    2010 Hanford
    2010 Print · USGS
    Cerro Gordo County's agricultural and transit heart is captured here in the early twenty-first century as the sprawl of Mason City meets the rural prairie. Researchers can trace the layout of small settlements like Hanford, Cameron, and Hurley along the banks of East Branch Beaverdam Creek.

  11. 2010 Map of Mason City, 2010 Print
    2010 Map of Mason City, 2010 Print
    2010 Mason City
    2010 Print · USGS
    The Mason City area at the turn of the decade showcases a landscape defined by the winding Winnebago River and its historic crossings. Genealogists and local historians can trace family plots in Elmwood Cemetery or explore the transit hubs of Plymouth Junction and Central Heights.

  12. 2010 Map of Nora Springs, 2010 Print
    2010 Map of Nora Springs, 2010 Print
    2010 Nora Springs
    2010 Print · USGS
    The Shell Rock River valley in the early twenty-first century shows a landscape of river-oriented settlements and agricultural grids. Trace local history through the streets of Nora Springs, the riverside Camp at the Woods, and the Rock Falls Cemetery.

  13. 2010 Map of Clear Lake East, 2010 Print
    2010 Map of Clear Lake East, 2010 Print
    2010 Clear Lake East
    2010 Print · USGS
    The corridor between CLEAR LAKE and MASON CITY is shown here during a period of modern expansion and infrastructure growth. Researchers can trace local landmarks like Lincoln Cemetery, the I-35 Speedway, and the settlement of Emery.

  14. 2013 Map of Mason City, 2013 Print
    2013 Map of Mason City, 2013 Print
    2013 Mason City
    2013 Print · USGS
    Mason City and its northern reaches are shown in detail during the early 2010s as the riverfront and suburban fringes continued to evolve. Researchers can locate the residential layout of Central Heights or trace the drainage of Wharam Cr and the Winnebago River.

  15. 2013 Map of Hanford, 2013 Print
    2013 Map of Hanford, 2013 Print
    2013 Hanford
    2013 Print · USGS
    Cerro Gordo County agricultural lands and rural junctions are captured here in the early twenty-first century. Genealogists and local historians can trace the sections around Hanford, Hurley, and the protected acreage of Blazing Star Prairie.

  16. 2013 Map of Clear Lake East, 2013 Print
    2013 Map of Clear Lake East, 2013 Print
    2013 Clear Lake East
    2013 Print · USGS
    Eastern Cerro Gordo County shows its blend of agriculture and modern infrastructure in the early 2010s. Researchers can locate specific sites like the North Iowa Fairgrounds, I-35 Speedway, and the settlement of Emery.

  17. 2013 Map of Nora Springs, 2013 Print
    2013 Map of Nora Springs, 2013 Print
    2013 Nora Springs
    2013 Print · USGS
    Nora Springs and the Shell Rock River valley are captured here in the early twenty-first century as the landscape maintains its traditional rail-and-river character. Researchers can trace the layout of Nora Junction, the historic Rock Falls Bridge, and small outposts like Wheelerwood.

  18. 2015 Map of Nora Springs, 2015 Print
    2015 Map of Nora Springs, 2015 Print
    2015 Nora Springs
    2015 Print · USGS
    North-central Iowa at the start of the twenty-first century reveals a landscape shaped by the Shell Rock River and its historic river towns. Researchers can trace the layout of Nora Springs, find old family plots at Rock Falls Cem, or locate the Rock Falls Bridge.

  19. 2015 Map of Hanford, 2015 Print
    2015 Map of Hanford, 2015 Print
    2015 Hanford
    2015 Print · USGS
    Cerro Gordo County's rural character is on full display in this mid-2010s survey of the plains south of Mason City. Historians and researchers can trace the small communities of Portland, Hanford, and Hurley alongside local landmarks like Clark Lake and the Big Gully.

  20. 2015 Map of Mason City, 2015 Print
    2015 Map of Mason City, 2015 Print
    2015 Mason City
    2015 Print · USGS
    Mason City and its northern neighbors appear in this detailed study of the Cerro Gordo County landscape during the mid-2010s. Researchers can locate family sites at Elmwood Cem or trace the industrial and rail legacy near Plymouth Junction.

  21. 2015 Map of Clear Lake East, 2015 Print
    2015 Map of Clear Lake East, 2015 Print
    2015 Clear Lake East
    2015 Print · USGS
    In the mid-2010s, this portion of Cerro Gordo County shows the transition from the Mason City Municipal Airport to the surrounding rural townships. Researchers can trace local lineage through Lincoln Cem and the settlement at Emery while following the winding path of the Winnebago River.

  22. 2018 Map of Nora Springs, 2018 Print
    2018 Map of Nora Springs, 2018 Print
    2018 Nora Springs
    2018 Print · USGS
    North Central Iowa in the late 2010s reveals a landscape where the Shell Rock River still shapes the layout of historic river towns. Genealogists and local historians can trace family plots at Rock Falls Cem and Spring Grove Cem or locate structural landmarks like the Rock Falls Bridge.

  23. 2018 Map of Mason City, 2018 Print
    2018 Map of Mason City, 2018 Print
    2018 Mason City
    2018 Print · USGS
    Mason City and the surrounding Cerro Gordo County countryside are captured here in the late twenty-teens, showing the dense urban core and its rural northern reaches. Genealogists and historians can locate Elmwood-Saint Joseph Municipal Cem and trace the Winnebago River past Central Heights.

  24. 2018 Map of Clear Lake East, 2018 Print
    2018 Map of Clear Lake East, 2018 Print
    2018 Clear Lake East
    2018 Print · USGS
    The Cerro Gordo County landscape between the regional hubs of Mason City and Clear Lake is detailed in this 2018 study. Researchers can trace family history at Lincoln Cem or locate the sprawling grounds of the Mason City Municipal Airport.

  25. 2018 Map of Hanford, 2018 Print
    2018 Map of Hanford, 2018 Print
    2018 Hanford
    2018 Print · USGS
    Cerro Gordo County agricultural lands south of the city appear here in the late 2010s. Genealogists and local historians can trace family land across the rural settlements of Hanford, Cameron, and Hurley or follow the paths of Cheslea Cr and Mason Cr.

Showing maps 1-25 of 29

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