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Old Maps of Clear Lake Keys, California for Academic Research

Study the evolution of Clear Lake Keys with 11 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Clear Lake Keys has changed over the decades.

Clear Lake Keys, CA maps

(11)
  1. 1924 Map of Bartlett Springs
    1924 Map of Bartlett Springs
    1924 Bartlett Springs
    1924 Print · USGS
    Northern Lake County mineral springs and canyons are captured here in the years following the Great War. Genealogists and historians can trace the early resort era at Bartlett Springs, Allen Springs, and the waters of Clear Lake.
  4. 1942 Map of Bartlett Springs
    1942 Map of Bartlett Springs
    1942 Bartlett Springs
    1942 Print · USGS
    Lake County and the rugged North Coast Ranges are captured here in the early 1940s, balancing resort springs with hardscrabble ranching. Genealogists can locate family landmarks like Garner Ranch, the East Lake Sch, and the isolated Bartlett Springs resort.
  7. 1944 Map of Bartlett Springs
    1944 Map of Bartlett Springs
    1944 Bartlett Springs
    1944 Print · USGS
    Lake County at the height of the war years reveals a landscape of isolated springs and family-run ranches nestled along the high ridges. Researchers can trace historic homesteads like the Garner Ranch, the site of Bartlett Springs, and the East Lake Sch near the Clear Lake shoreline.
    2 unique versions available
  10. 1957 Map of Ukiah, 1966 Print
    1957 Map of Ukiah, 1966 Print
    1957 Ukiah
    1966 Print · USGS
    Northern California's diverse terrain comes into focus in the mid-1950s, from the rugged timberlands of the Jackson State Forest to the productive Sacramento Valley. Genealogists and historians can trace the rail lines of the Northwestern Pacific or locate early valley settlements like Arbuckle and Paskenta.
    3 unique versions available
  13. 1958 Map of Clearlake Oaks, 1961 Print
    1958 Map of Clearlake Oaks, 1961 Print
    1958 Clearlake Oaks
    1961 Print · USGS
    Clear Lake’s northeast shore comes into focus during the late 1950s, showing the early development of Clearlake Oaks and Glenhaven. Researchers can trace the legacy of local industry and education at the Sulphur Bank Mine, SULPHUR BANK RANCHERIA, and the East Lake School.
    7 unique versions available
  16. 1960 Map of Ukiah
    1960 Map of Ukiah
    1960 Ukiah
    1960 Print · USGS
    Northern California during the late fifties reveals a landscape of deep timber forests and valley agriculture before modern expansion. Trace the historic rail lines of the California Western RR and the Northwestern Pacific RR through settlements like Fort Bragg and Ukiah.
    2 unique versions available
  19. 1960 Map of Clearlake Oaks, 1962 Print
    1960 Map of Clearlake Oaks, 1962 Print
    1960 Clearlake Oaks
    1962 Print · USGS
    The eastern shores of Clear Lake and the deep canyons of the Mendocino National Forest are captured here in the early sixties. Researchers can trace the layout of Sulphur Bank Rancheria or locate historic mineral sites like Bartlett Springs and Hough Springs.
    2 unique versions available
  22. 1977 Map of Clearlake Oaks, 1980 Print
    1977 Map of Clearlake Oaks, 1980 Print
    1977 Clearlake Oaks
    1980 Print · USGS
    Clearlake Oaks and the northern shores of Clear Lake are captured in the late 1970s through this aerial orthophoto. Trace the development of lakeside neighborhoods in Clearlake Oaks and Glenhaven or the open stretches of Long Valley.
  25. 1994 Map of Lakeport
    1994 Map of Lakeport
    1994 Lakeport
    1994 Print · USGS
    Coastal mountains meet the fertile Sacramento Valley in the 1990s, where the waters of Clear Lake define the western landscape. Researchers can trace the industrial footprint of the Sulphur Bank Mine, follow the Southern Pacific RR tracks, or locate old settlements like Fouts Springs and Lodoga.
  28. 1996 Map of Clearlake Oaks, 2001 Print
    1996 Map of Clearlake Oaks, 2001 Print
    1996 Clearlake Oaks
    2001 Print · USGS
    The Clear Lake shoreline in the late nineties showcases a unique mix of mid-century development and rugged ranching history. Researchers can trace family-named landmarks like Schindler Ranch or locate the industrial footprint of the Sulphur Bank Mine.
  31. 2021 Map of Clearlake Oaks, 2021 Print
    2021 Map of Clearlake Oaks, 2021 Print
    2021 Clearlake Oaks
    2021 Print · USGS
    The Lake County shoreline is captured here in the early 2020s, showing the intersection of lakeside communities and the rugged interior of the Mendocino National Forest. Researchers can trace the waterfront development of Clearlake Oaks and Glenhaven alongside natural landmarks like Sulphur Bank Point and Rattlesnake Island.
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Frequently asked questions

  • What are the different types of historical maps available for Clear Lake Keys?
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  • Are there historical topographic maps available for Clear Lake Keys?
  • Is there historical aerial imagery available for Clear Lake Keys?
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