Old Maps of Ingram, California for Metal Detecting

Plan your next treasure hunt with 12 historic maps of Ingram. 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 Ingram.


Ingram, CA maps

(12)
  1. 1938 Map of Hopland
    1938 Map of Hopland
    1938 Hopland
    1938 Print · USGS
    Northern California’s Russian River valley is captured here in the 1920s, showing the early rail-and-road network between Hopland and Cloverdale. Trace old rail stops like Thorn Siding and historic locations such as Duncan Springs and Preston.

  2. 1943 Map of Hopland, 1960 Print
    1943 Map of Hopland, 1960 Print
    1943 Hopland
    1960 Print · USGS
    Mendocino County ranching and the Russian River valley are captured here in the early 1940s as the rail and road networks matured. Researchers can trace family-named lands like McDowell Ranch, the Nacomis Indian Rancheria, and the operations at Thorn Siding.

  3. 1944 Map of Hopland
    1944 Map of Hopland
    1944 Hopland
    1944 Print · USGS
    The Russian River valley in the 1940s was a landscape of remote ranches and rail sidings on the Mendocino-Sonoma border. Researchers can trace the Northwestern Pacific Railroad through Pieta, find the old McDonald School, or locate the Nacomis Indian Rancheria.

  4. 1947 Map of Santa Rosa
    1947 Map of Santa Rosa
    1947 Santa Rosa
    1947 Print · USGS
    Northern California in the late 1940s was a landscape of agricultural valleys and vital rail hubs. Trace the historic routes of the Northwestern Pacific through Healdsburg or explore the mid-century waterfronts of Vallejo and Benicia near Mare Island.

  5. 1949 Map of Santa Rosa
    1949 Map of Santa Rosa
    1949 Santa Rosa
    1949 Print · USGS
    The North Bay and Wine Country appear here in the late 1940s, when the Northwestern Pacific RR still dominated regional transit. Genealogists and historians can trace old coastal outposts like Anchor Bay Settlement and the early layout of Santa Rosa.
    2 unique versions available

  6. 1958 Map of Santa Rosa, 1968 Print
    1958 Map of Santa Rosa, 1968 Print
    1958 Santa Rosa
    1968 Print · USGS
    The North Bay and Wine Country are captured in the mid-twentieth century as the region balanced its agricultural roots with a growing military and recreational footprint. Researchers can trace the Northwestern Pacific RR through the Russian River valley or locate landmarks like the Petaluma Adobe Historical Monument and The Geysers Resort.
    3 unique versions available

  7. 1960 Map of Hopland, 1962 Print
    1960 Map of Hopland, 1962 Print
    1960 Hopland
    1962 Print · USGS
    Mendocino and Sonoma counties meet in this early 1960s survey of the Russian River valley as it transitions into the coastal range. Researchers can trace the rail-and-road corridor through Old Hopland, locate the Cloverdale Rancheria, and find historical sites like the Squaw Rock Slide Historical Marker.
    2 unique versions available

  8. 1962 Map of Santa Rosa
    1962 Map of Santa Rosa
    1962 Santa Rosa
    1962 Print · USGS
    The North Bay and Wine Country were entering a period of significant growth in the early sixties, anchored by established rail corridors and coastal maritime commerce. Genealogists and historians can trace the development of Santa Rosa, locate the Mare Island Naval Shipyard, and follow the Northwestern Pacific RR through the Cotati Valley.

  9. 1964 Map of Santa Rosa
    1964 Map of Santa Rosa
    1964 Santa Rosa
    1964 Print · USGS
    The North Bay and Wine Country appear in the mid-fifties during a period of significant military and educational growth. Trace old rail lines like the Northwestern Pacific RR and explore historic sites from Petaluma to the Benicia Arsenal.

  10. 1981 Map of Point Arena
    1981 Map of Point Arena
    1981 Point Arena
    1981 Print · USGS
    The Mendocino and Sonoma coastlines meet here in the early eighties, where the rift zone carves a path through the redwood country. Genealogists and researchers can trace the development of Point Arena and Guerneville or locate the newly formed Lake Sonoma behind the Warm Springs Dam.
    2 unique versions available

  11. 1991 Map of Yorkville
    1991 Map of Yorkville
    1991 Yorkville
    1991 Print · USGS
    Mendocino County's high country is documented here in the early nineties, centered on the mountain settlement of Yorkville. Researchers can trace the remote water sources and peaks of the Coast Ranges, from Duncan Springs to Big Foot Mtn.

  12. 2021 Map of Yorkville, 2021 Print
    2021 Map of Yorkville, 2021 Print
    2021 Yorkville
    2021 Print · USGS
    Southern Mendocino County's high ridges and creek valleys are documented in this recent survey. Researchers can trace rural settlement patterns near Yorkville and The Oaks, or locate named landmarks like Duncan Peak and Pregnant Spring.

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