Vol. 7: Jack E. Thompson, Jr. (b. 1950), general manager McLaughlin Mine, 1979-1988: discusses Cuban childhood, work for Newmont Mining Co. at Stewart, BC, and Dawn, WA; McLaughlin Mine, feasibility study, recruiting staff, obtaining permits, mine development and operation, introduction of computer technology. Twyla Thompson (b. 1930), Yolo County supervisor, 1975-1985: discusses Cache Cree gravel mining, Capay Valley master plan, Environmental Data Advisory Committee, granting mine permits. Avery Tindell (b. 1920), retired insurance company chairman, member of Yolo County Technical Review panel: discusses community environmental concerns. John Turney (b. 1951), Homestake metallurgist: recounts research on commercial continuous autoclave and pressure oxidation treatment of refractory gold ores; designing, building, operating McLaughlin processing plant. Della Underwood (b. 1943), rancher, Homestake mine engineering technician: memories of growing up at Knoxville, ranching, working on blasting crew, survey team. Walter Wilcox (b. 1928), motel owner/operator, Lake County Supervisor, 1979-1995: recalls labor union and Commerce, Industry, and Labor experience, mine permitting, changes in Lake County employment, infrastructure. Peter Scribner (b. 1933), construction engineer: recollections of childhood at Knoxville, 1941-1944.