Old Maps of Twin Lakes, California for Academic Research
Study the evolution of Twin Lakes with 15 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 Twin Lakes has changed over the decades.
Twin Lakes, CA maps
(15)- 1945 Map of Lower Lake
1945 Lower Lake1945 Print · USGSLake 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.2 unique versions available - 1947 Map of Santa Rosa
1947 Santa Rosa1947 Print · USGSNorthern 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. - 1949 Map of Santa Rosa
1949 Santa Rosa1949 Print · USGSThe 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 - 1958 Map of Lower Lake, 1961 Print
1958 Lower Lake1961 Print · USGSLower Lake and the surrounding Lake County valleys are captured here in the late fifties, showcasing a landscape defined by the winding waters of Cache Creek. Researchers can trace the layout of the town near Union High Sch or locate rural landmarks like the Baker Mine and Pearce Airport.5 unique versions available - 1958 Map of Lower Lake, 1962 Print
1958 Lower Lake1962 Print · USGSLake 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.2 unique versions available - 1958 Map of Santa Rosa, 1968 Print
1958 Santa Rosa1968 Print · USGSThe 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 - 1962 Map of Santa Rosa
1962 Santa Rosa1962 Print · USGSThe 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. - 1964 Map of Santa Rosa
1964 Santa Rosa1964 Print · USGSThe 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. - 1972 Map of Healdsburg, 1975 Print
1972 Healdsburg1975 Print · USGSNorthern 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 - 1977 Map of Lower Lake, 1980 Print
1977 Lower Lake1980 Print · USGSThe township of Lower Lake and the pastoral Excelsior Valley appear in sharp detail in this late-1970s aerial survey. Researchers can trace the mid-century development of the town and follow the path of Cache Creek through the landscape. - 1993 Map of Lower Lake
1993 Lower Lake1993 Print · USGSLake County in the early nineties shows a landscape of expanding lakeside communities and rugged backcountry peaks. Genealogists and historians can trace the developments around Lower Lake, the grounds of Yuba College, and the rural site of Baker Mine.2 unique versions available - 2012 Map of Lower Lake, 2012 Print
2012 Lower Lake2012 Print · USGSCovers Twin Lakes, including Clearlake, Lower Lake, and other nearby areas - 2015 Map of Lower Lake, 2015 Print
2015 Lower Lake2015 Print · USGSCovers Twin Lakes, including Clearlake, Lower Lake, and other nearby areas - 2018 Map of Lower Lake, 2018 Print
2018 Lower Lake2018 Print · USGSCovers Twin Lakes, including Clearlake, Lower Lake, and other nearby areas - 2021 Map of Lower Lake, 2021 Print
2021 Lower Lake2021 Print · USGSLake County comes into focus in the early 2020s, showing the intersection of suburban growth and the deep-rooted ranching landscape. Genealogists and local historians can trace family plots at the Herndon - Copsey Pioneer Cem or locate the original town sites near Lower Lake and Baton Flat.
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