Old Maps of Mainstream, Harmony for Metal Detecting
Plan your next treasure hunt with 9 historic maps of Mainstream. 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 Mainstream.
Mainstream, Harmony maps
(9)- 1913 Map of Skowhegan
1913 Skowhegan1913 Print · USGSCovers Mainstream, including Skowhegan, Madison, and other nearby areas4 unique versions available - 1948 Map of Bangor
1948 Bangor1948 Print · USGSCovers Mainstream, including Bangor, Augusta, and other nearby areas - 1955 Map of Skowhegan, 1958 Print
1955 Skowhegan1958 Print · USGSCovers Mainstream, including Skowhegan, Madison, and other nearby areas4 unique versions available - 1956 Map of Bangor, 1966 Print
1956 Bangor1966 Print · USGSCovers Mainstream, including Bangor, Augusta, and other nearby areas3 unique versions available - 1960 Map of Bangor
1960 Bangor1960 Print · USGSCovers Mainstream, including Bangor, Augusta, and other nearby areas - 1961 Map of Bangor
1961 Bangor1961 Print · USGSCovers Mainstream, including Bangor, Augusta, and other nearby areas - 1975 Map of Skowhegan NE, 1980 Print
1975 Skowhegan NE1980 Print · USGSCovers Mainstream, including Hartland, Cornville, and other nearby areas - 1985 Map of Skowhegan, 1986 Print
1985 Skowhegan1986 Print · USGSCovers Mainstream, including Waterville, Winslow, and other nearby areas2 unique versions available - 1989 Map of Harmony
1989 Harmony1989 Print · USGSCovers Mainstream, including Hartland, Cornville, and other nearby areas
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Frequently asked questions
- What are the different types of historical maps available for Mainstream?
- What is the oldest map of Mainstream?
- Where can I purchase historical maps of Mainstream for my home or office?
- Where can I download high-res historical maps of Mainstream?
- Are there historical topographic maps available for Mainstream?
- Is there historical aerial imagery available for Mainstream?
- Where are historical maps of Mainstream sourced from?