Local history -- Contra Costa County (Calif.).; Harrison, John, H., 1886 -; Work.; El Sobrante (Calif.) -- History.; American Smelting and Refining Company -- History.;
Local history -- Contra Costa County (Calif.).; American Smelting and Refining Company -- History.; American Smelting and Refining Company.; Asarco Inc.; Asarco Inc. -- History.; Smelting.;
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.;
Navy-yards and naval stations -- California -- Concord.; Navy-yards and naval stations -- California -- Port Chicago.; Local history -- Contra Costa County (Calif.).; Contra Costa County (Calif.).;
Twisted, irregularly-shaped iron shrapnel from the Port Chicago explosion, the largest World War II disaster in the United States. The shrapnel was found one and a half miles southeast of the location of the explosion which occurred on July 17,...