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MARKER DATABASE
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8 entries match your criteria.  

 
 

Historical Markers in Oakley

 
Clickable Map of Contra Costa County, California and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Contra Costa County, CA (487) Alameda County, CA (688) Marin County, CA (258) Sacramento County, CA (450) San Francisco County, CA (755) San Joaquin County, CA (150) Solano County, CA (130) Sonoma County, CA (179)  ContraCostaCounty(487) Contra Costa County (487)  AlamedaCounty(688) Alameda County (688)  MarinCounty(258) Marin County (258)  SacramentoCounty(450) Sacramento County (450)  (755) San Francisco City and County (755)  SanJoaquinCounty(150) San Joaquin County (150)  SolanoCounty(130) Solano County (130)  SonomaCounty(179) Sonoma County (179)
Martinez is the county seat for Contra Costa County
Oakley is in Contra Costa County
Contra Costa County (487)  ►
ADJACENT TO CONTRA COSTA COUNTY
Alameda County (688)  ►
Marin County (258)  ►
Sacramento County (450)  ►
San Francisco City and County (755)  ►
San Joaquin County (150)  ►
Solano County (130)  ►
Sonoma County (179)  ►
 
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1 ► California, Contra Costa County, Oakley — Anza Expedition Campsite 101 —
Near Bridgehead Road.
2 ► California, Contra Costa County, Oakley — California's Big Water Projects: How Did We Get Here? —
Near Big Break Road.
3 ► California, Contra Costa County, Oakley — Carquinez Strait —
Near Big Break Road.
4 ► California, Contra Costa County, Oakley — Dredges — Digging in the Delta —
Near Big Break Road.
5 ► California, Contra Costa County, Oakley — The Migrating Delta —
Near Big Break Road.
6 ► California, Contra Costa County, Oakley — The San Joaquin: A River Runs Dry —
Near Big Break Road.
7 ► California, Contra Costa County, Oakley — Stopped by Impenetrable Marshes — Anza Expedition of 1776 —
Near Weibel Circle.
8 ► California, Contra Costa County, Oakley — "...What we see and have before us is not a river, but much water in a pond" — Anza Expedition of 1776 —
Near Bridgehead Road.
 
 
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Nov. 11, 2026