Old Maps of Hidden Valley Lake, California for Academic Research

1. 1945 Map of Lower Lake

   

   1945 Lower Lake

   1945 Print · USGS

   Lake County's famous resort and mercury-mining districts are shown in high detail during the mid-1940s. Researchers can locate vanished structures at Hould Gibson Camp, trace the namesake springs at Anderson Springs, and find rural institutions like Cobb Valley Sch.

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4. 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.

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7. 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.

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10. 1958 Map of Middletown, 1961 Print

    

    1958 Middletown

    1961 Print · USGS

    Middletown and the surrounding Lake County valleys are shown here in the late fifties, during a period of steady ranching and early water management. Researchers can locate the Cem near the town center or trace the course of Putah Creek past the Military Reservation and McCreary Lake.

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13. 1958 Map of Lower Lake, 1962 Print

    

    1958 Lower Lake

    1962 Print · USGS

    Lake County was a burgeoning destination for mineral spring resorts and lakeside living in the late fifties. Genealogists and historians can trace the foundations of Clearlake Highlands, the winding Putah Creek, and historic sites like Hobergs and Sulphur Bank Mine.

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16. 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.

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19. 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.

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22. 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.

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25. 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.

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28. 1993 Map of Middletown

    

    1993 Middletown

    1993 Print · USGS

    Middletown and the surrounding ranch lands of southern Lake County are seen here in the early nineties. Genealogists and historians can trace the Cem and Historical Marker while exploring features like Hidden Valley Lake and the US Coast Guard Reservation.

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31. 1998 Map of Middletown, 2002 Print

    

    1998 Middletown

    2002 Print · USGS

    Middletown and its surrounding valleys are captured here in the late nineties as residential growth began to encircle the area's natural springs and creek beds. Researchers can locate the local Cem, the US Coast Guard Reservation, and trace the development around Hidden Valley Lake.

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34. 2012 Map of Middletown, 2012 Print

    

    2012 Middletown

    2012 Print · USGS

    Covers Hidden Valley Lake, including Middletown, Lake County, and other nearby areas

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37. 2015 Map of Middletown, 2015 Print

    

    2015 Middletown

    2015 Print · USGS

    Covers Hidden Valley Lake, including Middletown, Lake County, and other nearby areas

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40. 2018 Map of Middletown, 2018 Print

    

    2018 Middletown

    2018 Print · USGS

    Covers Hidden Valley Lake, including Middletown, Lake County, and other nearby areas

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43. 2022 Map of Middletown, 2022 Print

    

    2022 Middletown

    2022 Print · USGS

    Lake County's southern valleys and ranching highlands are documented here during a period of modern residential growth near the historic hub of Middletown. Researchers can locate family sites near the Middletown Cem or trace the drainage of Putah Cr and Crazy Cr.

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