Old Maps of Duncan, Iowa for Metal Detecting
Plan your next treasure hunt with 5 historic maps of Duncan. 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 Duncan.
Duncan, IA maps
(5)- 1954 Map of Mason City, 1967 Print
1954 Mason City1967 Print · USGSCovers Duncan, including Rochester, Mason City, and other nearby areas2 unique versions available - 1957 Map of Mason City
1957 Mason City1957 Print · USGSCovers Duncan, including Rochester, Mason City, and other nearby areas - 1958 Map of Mason City
1958 Mason City1958 Print · USGSCovers Duncan, including Rochester, Mason City, and other nearby areas - 1972 Map of Duncan, 1975 Print
1972 Duncan1975 Print · USGSCovers Duncan, including Hancock County, United States, and other nearby areas - 1985 Map of Mason City
1985 Mason City1985 Print · USGSCovers Duncan, including Mason City, Clear Lake, and other nearby areas2 unique versions available
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Frequently asked questions
- What are the different types of historical maps available for Duncan?
- What is the oldest map of Duncan?
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- Where can I download high-res historical maps of Duncan?
- Are there historical topographic maps available for Duncan?
- Is there historical aerial imagery available for Duncan?
- Where are historical maps of Duncan sourced from?