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Old Maps of Forsyth, Illinois for Metal Detecting

Plan your next treasure hunt with 8 historic maps of Forsyth. 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 Forsyth.

Forsyth, IL maps

(8)
  1. 1929 Map of Decatur, 1965 Print
    1929 Map of Decatur, 1965 Print
    1929 Decatur
    1965 Print · USGS
    Central Illinois during the mid-twentieth century reveals a landscape defined by the expansion of Lake Decatur and a busy rail network. Researchers can trace dozens of rural schools like Blue Door Sch and landmarks including Decatur Airport.
  4. 1933 Map of Decatur
    1933 Map of Decatur
    1933 Decatur
    1933 Print · USGS
    The rail-and-river hub of Decatur is captured here in the early thirties, showing a landscape defined by industrial growth and rural school districts. Genealogists can trace family landmarks like Antioch Ch or dozens of local schoolhouses including Blue Door Sch and Mound Sch.
    3 unique versions available
  7. 1958 Map of Decatur, 1971 Print
    1958 Map of Decatur, 1971 Print
    1958 Decatur
    1971 Print · USGS
    Central Illinois in the mid-twentieth century shows a landscape defined by industrial rail hubs and the creation of large reservoirs. Researchers can trace historic corridors like the Penn Central or locate landmarks such as Lincoln Log Cabin State Park and Lake Springfield.
    3 unique versions available
  10. 1961 Map of Decatur
    1961 Map of Decatur
    1961 Decatur
    1961 Print · USGS
    Central Illinois in the late fifties was a bustling corridor of rail lines and prairie commerce centered on the state capital. Genealogists and historians can trace the intricate connections between Springfield, Decatur, and dozens of smaller settlements like Nokomis and Arcola.
    2 unique versions available
  13. 1967 Map of Forsyth, 1968 Print
    1967 Map of Forsyth, 1968 Print
    1967 Forsyth
    1968 Print · USGS
    The northern reaches of the Decatur area are documented here during a period of steady mid-century growth. Genealogists and local historians can trace the development of Forsyth and Larkdale alongside landmarks like Boiling Springs Cem and the County Fairground.
    2 unique versions available
  16. 1985 Map of Decatur
    1985 Map of Decatur
    1985 Decatur
    1985 Print · USGS
    Central Illinois farming and rail hubs thrive in the mid-1980s as Decatur anchors a sprawling network of track and timber. Trace the paths of the Sangamon River and the Illinois Central Gulf RR through old towns like Cerro Gordo and Bement.
    2 unique versions available
  19. 1998 Map of Forsyth, 2001 Print
    1998 Map of Forsyth, 2001 Print
    1998 Forsyth
    2001 Print · USGS
    Macon County at the close of the twentieth century shows the steady northward growth of the Decatur area into traditional prairie farmland. Genealogists and local historians can trace neighborhood developments near Greens Switch and locate schools like Stephen Decatur High Sch.
  22. 2024 Map of Forsyth, 2024 Print
    2024 Map of Forsyth, 2024 Print
    2024 Forsyth
    2024 Print · USGS
    The northern suburbs of Decatur and the rural reaches of Macon County are documented in this recent survey. Researchers can locate family landmarks like Boiling Springs Cem and Garver Cem or trace the development of Forsyth and Larkdale.
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