Old Maps of Duncan, Iowa for Hiking & Exploration
Hike through history with 10 historic maps of Duncan. Explore old trails, ghost towns, and forgotten backroads — perfect for outdoor adventurers and local explorers.
- Rediscover forgotten places: Map out old mining camps, roads, and footpaths that no longer exist on modern maps.
- Layer with modern tools: Combine with LiDAR or satellite views to plan hikes through historical terrain.
- Made for exploration: Popular among hikers, overlanders, and local history lovers.
Use these maps to find adventure and explore the hidden past of Duncan.
Duncan, IA maps
(10)- 1954 Map of Mason City, 1967 Print
1954 Mason City1967 Print · USGSSouthern 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 - 1957 Map of Mason City
1957 Mason City1957 Print · USGSThe 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. - 1958 Map of Mason City
1958 Mason City1958 Print · USGSSouthern 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. - 1972 Map of Duncan, 1975 Print
1972 Duncan1975 Print · USGSHancock County farmland is shown here in the early 1970s, organized by the townships of Garfield and Liberty. You can trace the railroad through Duncan, locate family sites at St Boniface Cem, or explore the wetlands of Eagle Lake. - 1985 Map of Mason City
1985 Mason City1985 Print · USGSThe 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 - 2010 Map of Duncan, 2010 Print
2010 Duncan2010 Print · USGSCovers Duncan, including Hancock County, United States, and other nearby areas - 2013 Map of Duncan, 2013 Print
2013 Duncan2013 Print · USGSCovers Duncan, including Hancock County, United States, and other nearby areas - 2015 Map of Duncan, 2015 Print
2015 Duncan2015 Print · USGSCovers Duncan, including Hancock County, United States, and other nearby areas - 2018 Map of Duncan, 2018 Print
2018 Duncan2018 Print · USGSCovers Duncan, including Hancock County, United States, and other nearby areas - 2022 Map of Duncan, 2022 Print
2022 Duncan2022 Print · USGSHancock County farmland and the Iowa River headwaters are captured in this recent survey. Genealogists can locate family sites at Saint John Cem, Saint Boniface Cem, and Liberty Cem, or trace the course of the W Br Iowa River.
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