Black Diamond

E611093

Black Diamond was the historic coal-mining town in Contra Costa County, California, that later became part of the modern city of Pittsburg.

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All labels observed (1)

Label Occurrences
Black Diamond canonical 1

Statements (25)

Predicate Object
instanceOf former coal-mining town
historic town
country United States of America
countrySubdivision Contra Costa County, California NERFINISHED
hasCountySeat Martinez, California NERFINISHED
hasEconomicBasis extraction of coal
hasHistoricalSignificance early coal-mining center in Contra Costa County
hasHistoricalUse coal mining
hasIndustry coal industry
hasModernJurisdiction Pittsburg city government
hasNameOrigin named after coal (often called black diamonds)
hasResource coal deposits
hasSuccessor City of Pittsburg, California NERFINISHED
hasTypeOfSettlement mining town
historicalRegion Northern California NERFINISHED
locatedIn California, United States
surface form: California

Contra Costa County NERFINISHED
San Francisco Bay Area
locatedInTimeZone Pacific Time Zone
locatedNear Sacramento–San Joaquin River Delta NERFINISHED
locatedOnContinent North America
partOf Pittsburg, California NERFINISHED
United States West Coast NERFINISHED
state California, United States
surface form: California
status incorporated into Pittsburg, California

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Pittsburg, California formerName Black Diamond