Marker Logo HMdb.org THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”
Antioch in Contra Costa County, California — The American West (Pacific Coastal)
 

Mount Diablo Coal Field

 
 
Mount Diablo Coal Field Marker image. Click for full size.
By Barry Swackhamer, March 31, 2016
1. Mount Diablo Coal Field Marker
Plaque on the bottom:
This property has been placed on the National Register of Historic Places by the United States Department of the Interior.
Inscription. From 1860 to 1906, this area was the largest coal mining district in California. Five towns (Nortonville, Somersville, Stewartville, Judsonville and West Hartley) grew up around twelve major mines. Today the towns are gone. The buildings having been moved to nearby communities. After the mines closed, mine openings, tailings, railroad beds and a pioneer cemetery are being preserved by the East Bay Regional Park District.
 
Erected 1980 by California Department of Parks and Recreation in cooperation with the East Bay Regional Park District and E Clampus Vitus, Joaquin Murrieta Chapter No. 13. (Marker Number CHL 932.)
 
Marker series. This marker is included in the E Clampus Vitus marker series.
 
Location. 37° 57.488′ N, 121° 51.793′ W. Marker is in Antioch, California, in Contra Costa County. Marker is on Somersville Road, in the median. Touch for map. Marker is at or near this postal address: 5175 Somersville Road, Antioch CA 94509, United States of America.
 
Other nearby markers. At least 8 other markers are within 4 miles of this marker, measured as the crow flies. Independent Mine (within shouting distance of this marker); Somersville Townsite (within shouting distance of this marker); Greenhouse Portal
Mount Diablo Coal Field Marker image. Click for full size.
By Barry Swackhamer, March 31, 2016
2. Mount Diablo Coal Field Marker
(approx. mile away); Sidney Flat (approx. 0.9 miles away); Black Diamond Way (approx. 4 miles away); The Growler Saloon – Goethals Building (approx. 4.1 miles away); The Clayton Post Office (approx. 4.1 miles away); The Joel Clayton House (approx. 4.1 miles away). Touch for a list and map of all markers in Antioch.
 
More about this marker. This marker is located at the southern end of Somersville Road in Black Diamond Regional Park.
 
Also see . . .  Coal Mining -- Clayton Historical Society. It was the discovery in 1858 of a coal outcrop by W.C. Israel six miles south of Antioch and in 1859 of the Black Diamond Vein of coal by Francis Somers and James T. Cruikshank that created a furor. Coal found so close to San Francisco was vital to the growth of the California economy. It provided a cheap readily available source of the energy needed to fuel the foundries, mills, ferries, steamers and developing industries. (Submitted on April 5, 2016, by Barry Swackhamer of San Jose, California.) 
 
Categories. Natural Resources
 
 
Credits. This page was last revised on June 16, 2016. This page originally submitted on April 4, 2016, by Barry Swackhamer of San Jose, California. This page has been viewed 210 times since then and 58 times this year. Photos:   1, 2. submitted on April 4, 2016, by Barry Swackhamer of San Jose, California.
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