Old Maps of Penngrove, California for Metal Detecting
Plan your next treasure hunt with 10 historic maps of Penngrove. 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 Penngrove.
Penngrove, CA maps
(10)- 1916 Map of Santa Rosa1916 Santa Rosa1916 Print · USGSCovers Penngrove, including Santa Rosa, Petaluma, and other nearby areas3 unique versions available
- 1944 Map of Santa Rosa1944 Santa Rosa1944 Print · USGSCovers Penngrove, including Santa Rosa, Petaluma, and other nearby areas2 unique versions available
- 1947 Map of Santa Rosa1947 Santa Rosa1947 Print · USGSCovers Penngrove, including Santa Rosa, Concord, and other nearby areas
- 1949 Map of Santa Rosa1949 Santa Rosa1949 Print · USGSCovers Penngrove, including Santa Rosa, Concord, and other nearby areas2 unique versions available
- 1954 Map of Cotati, 1955 Print1954 Cotati1955 Print · USGSCovers Penngrove, including Petaluma, Rohnert Park, and other nearby areas8 unique versions available
- 1954 Map of Santa Rosa, 1959 Print1954 Santa Rosa1959 Print · USGSCovers Penngrove, including Santa Rosa, Petaluma, and other nearby areas2 unique versions available
- 1958 Map of Santa Rosa, 1968 Print1958 Santa Rosa1968 Print · USGSCovers Penngrove, including Santa Rosa, Concord, and other nearby areas3 unique versions available
- 1962 Map of Santa Rosa1962 Santa Rosa1962 Print · USGSCovers Penngrove, including Santa Rosa, Concord, and other nearby areas
- 1964 Map of Santa Rosa1964 Santa Rosa1964 Print · USGSCovers Penngrove, including Santa Rosa, Concord, and other nearby areas
- 1983 Map of Napa1983 Napa1983 Print · USGSCovers Penngrove, including Santa Rosa, Concord, and other nearby areas
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Frequently asked questions
- What are the different types of historical maps available for Penngrove?
- What is the oldest map of Penngrove?
- Where can I purchase historical maps of Penngrove for my home or office?
- Where can I download high-res historical maps of Penngrove?
- Are there historical topographic maps available for Penngrove?
- Is there historical aerial imagery available for Penngrove?
- Where are historical maps of Penngrove sourced from?









