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Old Maps of Calhoun County, Iowa for Metal Detecting

Plan your next treasure hunt with 25 historic maps of Calhoun County. 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 Calhoun County.

Calhoun County, IA maps

(25)
  1. 1954 Map of Fort Dodge, 1968 Print
    1954 Map of Fort Dodge, 1968 Print
    1954 Fort Dodge
    1968 Print · USGS
    Covers Calhoun County, including Fort Dodge, Storm Lake, and other nearby areas
    3 unique versions available
  4. 1957 Map of Fort Dodge
    1957 Map of Fort Dodge
    1957 Fort Dodge
    1957 Print · USGS
    Covers Calhoun County, including Fort Dodge, Storm Lake, and other nearby areas
  7. 1958 Map of Fort Dodge
    1958 Map of Fort Dodge
    1958 Fort Dodge
    1958 Print · USGS
    Covers Calhoun County, including Fort Dodge, Storm Lake, and other nearby areas
  10. 1962 Map of Jefferson, 1964 Print
    1962 Map of Jefferson, 1964 Print
    1962 Jefferson
    1964 Print · USGS
    Covers Calhoun County, including Jefferson, Grand Junction, and other nearby areas
  13. 1965 Map of Farnhamville, 1966 Print
    1965 Map of Farnhamville, 1966 Print
    1965 Farnhamville
    1966 Print · USGS
    Covers Calhoun County, including Farnhamville, Somers, and other nearby areas
  16. 1965 Map of Knierim, 1966 Print
    1965 Map of Knierim, 1966 Print
    1965 Knierim
    1966 Print · USGS
    Covers Calhoun County, including Somers, Knierim, and other nearby areas
  19. 1979 Map of Fonda
    1979 Map of Fonda
    1979 Fonda
    1979 Print · USGS
    Covers Calhoun County, including Fonda, Knoke, and other nearby areas
    2 unique versions available
  22. 1979 Map of Gilmore City SW
    1979 Map of Gilmore City SW
    1979 Gilmore City SW
    1979 Print · USGS
    Covers Calhoun County, including Jackson Township, Johnson Township, and other nearby areas
  25. 1979 Map of Manson
    1979 Map of Manson
    1979 Manson
    1979 Print · USGS
    Covers Calhoun County, including Manson, Palmer, and other nearby areas
    2 unique versions available
  28. 1979 Map of Pomeroy
    1979 Map of Pomeroy
    1979 Pomeroy
    1979 Print · USGS
    Covers Calhoun County, including Pomeroy, Pocahontas County, and other nearby areas
  31. 1979 Map of Newell East
    1979 Map of Newell East
    1979 Newell East
    1979 Print · USGS
    Covers Calhoun County, including Newell, Buena Vista County, and other nearby areas
  34. 1980 Map of Lytton
    1980 Map of Lytton
    1980 Lytton
    1980 Print · USGS
    Covers Calhoun County, including Lytton, Sac County, and other nearby areas
  37. 1980 Map of Rockwell City
    1980 Map of Rockwell City
    1980 Rockwell City
    1980 Print · USGS
    Covers Calhoun County, including Rockwell City, Jolley, and other nearby areas
  40. 1980 Map of Sac City East
    1980 Map of Sac City East
    1980 Sac City East
    1980 Print · USGS
    Covers Calhoun County, including Sac City, Sac County, and other nearby areas
  43. 1980 Map of Carroll NE
    1980 Map of Carroll NE
    1980 Carroll NE
    1980 Print · USGS
    Covers Calhoun County, including Auburn, Lidderdale, and other nearby areas
  46. 1980 Map of Yetter
    1980 Map of Yetter
    1980 Yetter
    1980 Print · USGS
    Covers Calhoun County, including Lake City, Auburn, and other nearby areas
  49. 1980 Map of Wightman
    1980 Map of Wightman
    1980 Wightman
    1980 Print · USGS
    Covers Calhoun County, including Wightman, Highland Township, and other nearby areas
  52. 1980 Map of Lanesboro
    1980 Map of Lanesboro
    1980 Lanesboro
    1980 Print · USGS
    Covers Calhoun County, including Lanesboro, Cedar Township, and other nearby areas
  55. 1980 Map of Richard
    1980 Map of Richard
    1980 Richard
    1980 Print · USGS
    Covers Calhoun County, including Rockwell City, Richard, and other nearby areas
  58. 1980 Map of Lohrville
    1980 Map of Lohrville
    1980 Lohrville
    1980 Print · USGS
    Covers Calhoun County, including Lohrville, Piper, and other nearby areas
  61. 1980 Map of Lake City
    1980 Map of Lake City
    1980 Lake City
    1980 Print · USGS
    Covers Calhoun County, including Lake City, Sherwood, and other nearby areas
  64. 1984 Map of Humboldt, 1985 Print
    1984 Map of Humboldt, 1985 Print
    1984 Humboldt
    1985 Print · USGS
    Covers Calhoun County, including Fort Dodge, Humboldt, and other nearby areas
    2 unique versions available
  67. 1985 Map of Carroll
    1985 Map of Carroll
    1985 Carroll
    1985 Print · USGS
    Covers Calhoun County, including Fort Dodge, Carroll, and other nearby areas
  70. 1985 Map of Churdan
    1985 Map of Churdan
    1985 Churdan
    1985 Print · USGS
    Covers Calhoun County, including Churdan, Gowrie Township, and other nearby areas
  73. 1993 Map of Carroll
    1993 Map of Carroll
    1993 Carroll
    1993 Print · USGS
    Covers Calhoun County, including Fort Dodge, Carroll, and other nearby areas
End of results
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