Oleum, California

Oleum
Unincorporated community
Oleum Location in California
Coordinates: 38°02′41″N 122°14′54″W / 38.04472°N 122.24833°W / 38.04472; -122.24833Coordinates: 38°02′41″N 122°14′54″W / 38.04472°N 122.24833°W / 38.04472; -122.24833[1]
Country	United States
State	California
County	Contra Costa County
Elevation[1]	203 ft (62 m)
GNIS ID[1][2]	1659298
FIPS code[1][2]	06-53658

Oleum was an unincorporated community in Contra Costa County, California, United States.,^[1] located between the City of Hercules and the unincorporated town of Rodeo. It was a small company town, with housing for Union Oil company workers, hence the name, derived from "petroleum". The refinery still exists.

The site is located on the Mexican land grant Rancho El Pinole made to Ygnacio Martinez. A post office operated at Oleum from 1910 to 1951.

References

1. 1 2 3 4 5 "Oleum (Contra Costa County, California)". Geographic Names Information System. United States Geological Survey. Retrieved May 11, 2014. 
2. 1 2 "FIPS55 Data: California". FIPS55 Data. United States Geological Survey. February 23, 2006. Retrieved May 11, 2014.  External link in |work= (help)

Municipalities and communities of Contra Costa County, California, United States County seat: Martinez Cities and towns Antioch Brentwood Clayton Concord Danville El Cerrito Hercules Lafayette Martinez Moraga Oakley Orinda Pinole Pittsburg Pleasant Hill Richmond San Pablo San Ramon Walnut Creek CDPs Acalanes Ridge Alamo Alhambra Valley Bay Point Bayview Bethel Island Blackhawk Byron Camino Tassajara Castle Hill Clyde Contra Costa Centre Crockett Diablo Discovery Bay East Richmond Heights El Sobrante Kensington Knightsen Montalvin Manor Mountain View Norris Canyon North Gate North Richmond Pacheco Port Costa Reliez Valley Rodeo Rollingwood San Miguel Saranap Shell Ridge Tara Hills Vine Hill Unincorporated communities Alamo Oaks Arbor Avon Bancroft Bayo Vista Bayview-Montalvin Bixler Blackhawk-Camino Tassajara Bridgehead Canyon Christie Cornwall Crolona Heights Diamond Eastport Four Corners Franklin Canyon Gateley Glen Frazer Hasford Heights Herpoco Hookston Las Juntas Los Medanos Luzon Maltby Marsh Creek Springs McAvoy Meinert Monsanto Muir Neroly Newlove Nichols Oleum Orwood Ozol Rheem Rock City Selby Shore Acres Sobrante Sparkle Stege Tassajara Tormey Valle Vista Valona Waldon Walnut Heights Werner Ghost towns Acelanus Ambrose Atchison Eckley Empire Hooper Horse Haven Judsonville Junction Nortonville Ohmer Point of Timber Port Chicago Schmidtville Somersville Stewartville Tammukan West Hartley Winehaven