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1900s (20th Century) Maps of Glenbrook, California

Explore 11 historic maps of Glenbrook from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Glenbrook's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Glenbrook's history through authentic maps from the 1900s. This is your window into the past.

Glenbrook, CA maps

(11)
  1. 1921 Map of Kelseyville
    1921 Map of Kelseyville
    1921 Kelseyville
    1921 Print · USGS
    Northern California's thermal springs and mining districts are in full view in this early twentieth-century survey of Lake and Sonoma counties. Researchers can trace historic ranch boundaries like Moulton Ranch or locate vanished operations at the Cloverdale Quicksilver Mine and the Geyser Hotel.
  4. 1943 Map of Kelseyville, 1959 Print
    1943 Map of Kelseyville, 1959 Print
    1943 Kelseyville
    1959 Print · USGS
    In the early 1940s, this region of Lake and Sonoma counties was a mosaic of active ranching and mountain retreats. Researchers can trace family-named lands like Fifield Ranch, locate the Socrates Mine, or find the historic Geyser Resort and Mountain School.
  7. 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.
  10. 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
  13. 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
  16. 1959 Map of The Geysers, 1961 Print
    1959 Map of The Geysers, 1961 Print
    1959 The Geysers
    1961 Print · USGS
    The Sonoma and Lake County borderlands are shown here in the late fifties during a period of geothermal and mining activity. Genealogists and historians can trace family locations like Binkley Ranch and the industrial operations at Buckman Mines or Mercuryville.
    3 unique versions available
  19. 1959 Map of Kelseyville, 1961 Print
    1959 Map of Kelseyville, 1961 Print
    1959 Kelseyville
    1961 Print · USGS
    The volcanic heights of the Mayacmas Mountains meet the geothermal steam fields of Lake County during the late fifties. Genealogists and local historians can locate early mining operations like the Culver-Bear Mine and Caldwell Mines or the remote community at Mercuryville.
    2 unique versions available
  22. 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.
  25. 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.
  28. 1972 Map of Healdsburg, 1975 Print
    1972 Map of Healdsburg, 1975 Print
    1972 Healdsburg
    1975 Print · USGS
    Northern California wine country and the lower Lake County basins appear here during the early seventies. Trace the Northwestern Pacific rail line and discover foothill communities like Middletown and Loch Lomond.
    2 unique versions available
  31. 1993 Map of The Geysers
    1993 Map of The Geysers
    1993 The Geysers
    1993 Print · USGS
    The Mayacmas Mountains in the early nineties show a unique landscape of geothermal energy production and deep-rooted mining history. Researchers can trace old mineral claims like the Silver Bear Mine and Socrates Mine alongside settlements like Mercuryville.
End of results
Showing maps 1-11 of 11

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