Fairs -- Contra Costa County (Calif.).; Local history -- Contra Costa County (Calif.).;
Badge from a 1900 district fair. On the white rectangular enamel (?) medallion framed by gold metal, the word “MEMBER”. On the fabric ribbon below the medallion, the words “DISTRICT FAIR CONCORD, CAL. SEPT 18-23, 1900” in gold. Beige fabric bow...
Local history -- Contra Costa County (Calif.).; Pittsburg (Calif.) -- History.; Historic buildings.; Black Diamond Mines Regional Preserve (Calif.).; Historic sites.;
Explosions.; Local history -- Contra Costa County (Calif.).; Contra Costa County (Calif.).; Pinole (Calif.) -- History.; Relocation (Housing).; Richmond (Calif.) -- History.;
Explosions.; Local history -- Contra Costa County (Calif.).; Contra Costa County (Calif.).; Pinole (Calif.) -- History.; Relocation (Housing).; Richmond (Calif.) -- History.;
Local history -- Contra Costa County (Calif.).; Pittsburg (Calif.) -- History.; Historic sites.; Historic mines.; Black Diamond Mines Regional Preserve (Calif.).;