National Register of Historic Places

Black Diamond Mines

Antioch, Contra Costa County, California
Listed
October 1, 1991
Type
District
Period
Listed
Ref No.
91001425

About this property

The Black Diamond Mines Regional Preserve is a 6,000-acre (2,400 ha) park located north of Mount Diablo in Contra Costa County, California under the administration of the East Bay Regional Park District (EBRPD). The district acquired the property in 1973. The preserve contains relics of 3 mining towns, former coal and sand mines, and offers guided tours of a former sand mine. The 60 miles (97 km) of trails in the Preserve cross rolling foothill terrain covered with grassland, California oak woodland, California mixed evergreen forest, and chaparral.

Location

Antioch, Contra Costa County, California
37.95650, -121.86725

Categories

INDUSTRYHISTORIC - NON-ABORIGINALENGINEERINGEUROPEANSOCIAL HISTORY
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Nearby Historic Sites

Clayton Vineyards-DeMartini Winery
Industrial
3.9 mi
Riverview Union High School Building
Colonial
4.6 mi
Hard, Roswell Butler, House
Industrial
5 mi
Shannon-Williamson Ranch
Listed
5.6 mi
Hastings Adobe
Civil War
8.5 mi

Questions about this property

When was Black Diamond Mines listed on the National Register?

Black Diamond Mines was listed on the National Register of Historic Places on October 1, 1991.

What type of historic resource is Black Diamond Mines?

Black Diamond Mines is classified as a district in the National Register of Historic Places.

What is the period of significance for Black Diamond Mines?

The period of significance for Black Diamond Mines is recorded as the listed era.

Can I research the history near Black Diamond Mines?

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