Old Maps of Keystone, California for Academic Research
Study the evolution of Keystone 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 Keystone has changed over the decades.
Keystone, CA maps
(15)- 1916 Map of Copperopolis
1916 Copperopolis1916 Print · USGSCalaveras and Stanislaus counties at the height of the early copper and ranching era reveal a landscape of deep canyons and mining outposts. Trace the Sierra Ry of California or locate historic crossings like Reynolds Ferry and the Wilbur-Womble Mine.3 unique versions available - 1942 Map of Copperopolis
1942 Copperopolis1942 Print · USGSThe Mother Lode's mining and water heritage is preserved here in the early 1940s, centered on the copper-rich hills and the Stanislaus River. Genealogists and historians can trace family-named sites like Curtin Ranch, old schools such as O'Byrnes School, and active mines including the Wilbur Womble Mine. - 1947 Map of San Jose, 1948 Print
1947 San Jose1948 Print · USGSNorthern California's heartland is captured here just after the war, showing the rapid growth of the Santa Clara and Central Valleys. Researchers can trace the legacy of rail and water at Castle Air Force Base, Stockton, and the Hetch Hetchy Aqueduct. - 1954 Map of Copperopolis, 1956 Print
1954 Copperopolis1956 Print · USGSThe California foothills in the mid-fifties reveal a transition from gold and copper mining to water management along the Stanislaus River. Locate historic sites like Central Ferry and the Napoleon Mine while tracing the Sierra Railroad. - 1956 Map of San Jose
1956 San Jose1956 Print · USGSCentral California in the mid-fifties reveals the transition from sprawling orchards to growing urban hubs like San Jose and Stockton. Genealogists and historians can trace the rail-era landscape of the Mother Lode through Chinese Camp and Tuttletown, or follow the water through the Joaquin River and Calaveras Reservoir. - 1962 Map of San Jose
1962 San Jose1962 Print · USGSCentral California in the early sixties showcases the expansion of the San Joaquin and Santa Clara valleys. Researchers can trace the rail-to-road transition along the Southern Pacific RR or locate landmarks like Castle USAF Base and Loma Prieta.4 unique versions available - 1962 Map of Keystone, 1963 Print
1962 Keystone1963 Print · USGSThe foothills of Tuolumne and Stanislaus Counties appear here in the early sixties as a landscape of large-scale water projects and cattle ranching. Researchers can trace the path of the Hetch Hetchy Aqueduct and locate family landmarks like the Kistler Ranch or the settlement at Keystone.2 unique versions available - 1962 Map of Copperopolis, 1964 Print
1962 Copperopolis1964 Print · USGSThe foothills of the Mother Lode come alive in the early sixties as mining towns and water projects reshape the landscape. Genealogists and historians can trace family-named sites like Wagner Ranch and Kistler Ranch alongside the historic Sierra Railroad and Knights Ferry crossing.2 unique versions available - 1966 Map of San Jose
1966 San Jose1966 Print · USGSCentral California in the mid-1960s reveals a landscape of massive irrigation projects and expanding Cold War military footprints. Researchers can trace the rail-and-river network of the San Joaquin Valley or locate specialized sites like Castle Air Force Base and the Sharp General Depot (Military). - 1994 Map of Oakdale, 1995 Print
1994 Oakdale1995 Print · USGSThe San Joaquin Valley meets the Sierra foothills in the mid-1990s, where massive reservoirs and canal networks fueled California's agricultural heartland. Researchers can trace the Hetch Hetchy Aqueduct, find the Sierra RR, and locate the Riverbank Army Ammunition Plant.2 unique versions available - 2000 Map of Keystone, 2002 Print
2000 Keystone2002 Print · USGSTuolumne County's rugged ranchlands and hydraulic engineering are on display in this turn-of-the-millennium survey. Researchers can trace the path of the Hetch Hetchy Aqueduct or locate family landmarks like Burgeson Ranch and the settlement of Keystone. - 2012 Map of Keystone, 2012 Print
2012 Keystone2012 Print · USGSCovers Keystone, including Stanislaus County, Tuolumne County, and other nearby areas - 2015 Map of Keystone, 2015 Print
2015 Keystone2015 Print · USGSCovers Keystone, including Stanislaus County, Tuolumne County, and other nearby areas - 2018 Map of Keystone, 2018 Print
2018 Keystone2018 Print · USGSCovers Keystone, including Stanislaus County, Tuolumne County, and other nearby areas - 2021 Map of Keystone, 2021 Print
2021 Keystone2021 Print · USGSTuolumne County ranch lands and foothills are captured here in the early twenty-first century, showing the intersection of historic transit and modern infrastructure. You can trace the path of the Hetch Hetchy Aqueduct, find the Kistler Ranch Airport, and locate the settlement of Keystone.
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