Schweitzer, Jeffrey, 1885-1979.

Mining engineer. B.S., University of California (1907). Free-lance mining engineer in western states and particularly in Amador County (1908-1958). First director of Amador County Historical Society (1960s). Settled in Jackson, California upon retirement. There met Duff Chapman, local historian, to whom he left his papers and library (1979).

From the description of Schweitzer Mining Collection 1887-1978 bulk 1912-1960. (University of the Pacific). WorldCat record id: 29950678