1990s Maps of Contra Costa County, California

1. 1991 Map of Tassajara, 1995 Print

   

   1991 Tassajara

   1995 Print · USGS

   The Diablo Range backcountry of Contra Costa and Alameda counties is captured here in the early 1990s. Genealogists and local historians can locate the former sites of the Tassajara Sch and Highland Sch or trace the early Las Positas Grant boundary.

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4. 1993 Map of Lodi, 1994 Print

   

   1993 Lodi

   1994 Print · USGS

   Northern California's delta country and the growing Central Valley corridors are captured here in the early nineties. Genealogists and historians can trace the intricate island tracts, old railroad lines like the Sacramento Northern RR, and established local landmarks including the Lodi Memorial Cemetery and University of the Pacific.

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7. 1993 Map of Las Trampas Ridge, 1997 Print

   

   1993 Las Trampas Ridge

   1997 Print · USGS

   Contra Costa and Alameda counties show a mix of dense suburban development and protected ridges in the 1990s. Trace the expansion of Lafayette and Moraga or locate landmarks like St Marys College and Upper San Leandro Reservoir.

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10. 1993 Map of San Quentin, 1997 Print

    

    1993 San Quentin

    1997 Print · USGS

    The northern San Francisco Bay shoreline in the early nineties reveals a blend of heavy industry and coastal conservation. Researchers can trace the footprints of San Quentin State Prison, the Naval Fuel Supply Depot, and maritime landmarks like the Lighthouse at Point San Pablo.

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13. 1993 Map of Walnut Creek, 1997 Print

    

    1993 Walnut Creek

    1997 Print · USGS

    The East Bay's interior valleys were rapidly maturing in the early nineties, balancing suburban growth with historic land grants. Genealogists and local historians can trace family locations near Lafayette Cemetery, Buchanan Field, and Diablo Valley College.

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16. 1993 Map of Hayward, 1997 Print

    

    1993 Hayward

    1997 Print · USGS

    Hayward and the East Bay hills are documented here in the 1990s as the suburban and academic landscape fully matured. Genealogists can trace family sites at Holy Sepulchre Cemetery or Mt Eden Cemetery, while local historians can locate the old Mt Eden Station.

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19. 1993 Map of Richmond, 1997 Print

    

    1993 Richmond

    1997 Print · USGS

    The East Bay shoreline and the hills of Contra Costa County are shown here during a decade of maturing urban infrastructure. Researchers can trace the massive rail operations at Richmond Yard, the maritime history of the Reserve Shipyard, and family plots at St Joseph Cemetery.

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22. 1993 Map of Briones Valley, 1997 Print

    

    1993 Briones Valley

    1997 Print · USGS

    Contra Costa County in the early nineties reveals a landscape of high ridges and critical water infrastructure between expanding suburban centers. Trace the historical borders of the John Muir National Historic Site and the rugged peaks surrounding Briones Reservoir and Orinda Village.

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25. 1995 Map of Briones Valley, 1999 Print

    

    1995 Briones Valley

    1999 Print · USGS

    Contra Costa County in the 1990s shows a landscape of protected ridges and expanding valley settlements. Local historians can trace family land across Rancho El Sobrante or locate landmarks like the John Muir National Historic Site and Orinda Village.

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28. 1995 Map of Walnut Creek, 1999 Print

    

    1995 Walnut Creek

    1999 Print · USGS

    Contra Costa County at the peak of its late-twentieth-century growth shows a bustling network of suburban centers and industrial hubs. Genealogists and local researchers can trace family sites at Lafayette Cemetery and St Stephen Cem, or locate landmarks like Buchanan Field and Sparkle.

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31. 1995 Map of Las Trampas Ridge, 1999 Print

    

    1995 Las Trampas Ridge

    1999 Print · USGS

    Contra Costa County at the end of the century shows a unique balance between the developing San Ramon Valley and the protected heights of Las Trampas Ridge. Genealogists and hikers can trace the geography around St Marys College, Brown Ranch, and the Oakland Zoo in Knowland Park.

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34. 1995 Map of Richmond, 1999 Print

    

    1995 Richmond

    1999 Print · USGS

    The East Bay's mix of industrial waterfronts and residential ridges comes into focus during the mid-nineties. Researchers can trace the development of Richmond and Berkeley or locate landmarks like Golden Gate Fields and Sunset View Cemetery.

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37. 1995 Map of San Quentin, 1999 Print

    

    1995 San Quentin

    1999 Print · USGS

    The San Francisco Bay area in the mid-nineties shows a mix of industrial giants and protected shorelines. Trace the piers of the Long Wharf, the grounds of San Quentin State Prison, and the hills of China Camp State Park.

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40. 1996 Map of Tassajara, 1999 Print

    

    1996 Tassajara

    1999 Print · USGS

    The Contra Costa and Alameda county line runs through this landscape in the mid-nineties, showing a mix of state parklands and old ranching valleys. Genealogists can trace rural history at the Tassajara Sch (Abandoned) and the Highland Sch (Abandoned) sites.

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43. 1997 Map of Oakland East

    

    1997 Oakland East

    1997 Print · USGS

    The East Bay waterfront and hills are captured here in the late 1990s as the urban corridor meets the ridge. Trace historic sites like Mountain View Cemetery, the University of California, and the Coast Guard Alameda Base.

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46. 1997 Map of Bouldin Island, 1998 Print

    

    1997 Bouldin Island

    1998 Print · USGS

    The heart of the Sacramento-San Joaquin River Delta is captured in the late twentieth century as a complex maze of reclaimed islands and managed waterways. Trace the industrial reach of the Stockton Deep Water Channel or explore the recreational boundaries of Franks Tract.

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