Demarest, David Clarence, 1866-1962.

Foundry owner, Altaville, Calaveras County, Calif. Associated with D.D. Demarest Mining Machinery Company, San Francisco. His father, D.D. Demarest came to California via Gila Trail (1849). Family-run iron works first cast pump parts, stove grates and similar objects, but later turned to more sophisticated mining machinery. David C. Demarest penned a three volume history of Altaville, Angels Camp and surrounding area. Work includes his father's overland diary (1849) and contains biographies of pioneers and leaders, as well as 126 captioned photographs.

From the description of Demarest family papers, 1909-1967. (University of the Pacific). WorldCat record id: 35299080