Clayton in Contra Costa County, California — The American West (Pacific Coastal)
Black Diamond Way
Black Diamond District coal mines operated from 1861 until circa 1900. Between 1867 and 1883 they produced over 100,000 tons annually. Coal was hauled to river landings by teams and rail.
Miners and families from Mt. Diablo coalfield towns crossed Mt. Diablo Creek for supplies, services, and recreation. Inns and saloons outnumbered other establishments.
The City of Clayton dedicated Black Diamond Plaza on October 28, 2000.
Clayton Historical Society 2005
Erected 2005 by Clayton Historical Society.
Location. 37° 56.47′ N, 121° 56.01′ W. Marker is in Clayton, California, in Contra Costa County. Marker is at the intersection of Marsh Creek Road and Main Street, on the right on Marsh Creek Road. Touch for map. Marker is in this post office area: Clayton CA 94517, United States of America.
Other nearby markers. At least 8 other markers are within walking distance of this marker. The Growler Saloon – Goethals Building (about 300 feet away, measured in a direct line); The Clayton Post Office The Joel Clayton House (about 400 feet away); Joaquin Murrieta (about 400 feet away); The Clayton Club (about 400 feet away); Clayton (about 700 feet away); Endeavor Hall (approx. 0.2 miles away); De Martini Winery (approx. ¼ mile away). Touch for a list and map of all markers in Clayton.
More about this marker. The marker is mounted on a stone monument on the east side of the plaza, at the start of Black Diamond Way.
Also see . . .
1. Coal Mining. The Clayton Historical Society on Clayton and the Mt. Diablo coal mines: "By 1860, there were six miles of mines stretching between the towns of Somersville and Nortonville, and Judsonville and Stewartville. Clayton, only a few miles from the activity of the Mt. Diablo Coalfield, responded immediately to the demand for services and supplies. By 1861, Clayton had become the hub of activities in the area. With miners walking over the hills for supplies and entertainment, Clayton became a bustling community with hotels, a general store, school, (Submitted on February 13, 2010.)
2. Black Diamond Mines. The Greenbelt Alliance's description of several hiking routes in the area, including the Black Diamond Way. Includes a short history of mining in the area. (Submitted on February 13, 2010.)
Additional keywords. mining
Categories. • Industry & Commerce • Roads & Vehicles •
Credits. This page was last revised on June 16, 2016. This page originally submitted on February 13, 2010, by Andrew Ruppenstein of Sacramento, California. This page has been viewed 1,113 times since then. Photos: 1, 2, 3. submitted on February 13, 2010, by Andrew Ruppenstein of Sacramento, California. • Syd Whittle was the editor who published this page.