Contra Costa Historical Society

By The Pioneer 1 year ago

CONTRA COSTA COUNTY, CA (July 5, 2023) — The Contra Costa County Historical Society is

By The Pioneer 3 years ago

CONTRA COSTA COUNTY, CA (May 12, 2022) — Attention history buffs and book lovers. The

By Ned MacKay 4 years ago

CONTRA COSTA COUNTY, CA — As the East Bay’s parklands heat up in the summer

By Margorie Newton 4 years ago

CONTRA COSTA COUNTY—The quest for a quarry began with a query: “Where is the quarry

By Marjorie Newton 4 years ago

Hercules began as a manufacturing plant that made dynamite and later TNT. Known at that

By The Pioneer 4 years ago

Signs marking the American Discovery Trail (ADT) are now in place for its 15-mile distance

By The Pioneer 4 years ago

Local history buffs will soon have online access to the contents of the extensive Sharkey