Oriental Mine, 1938-1991

Owner of the Shot Mining Company, Manhattan Mercury Mine, 1965-1981

Building the Clarkson Company, Making Reagent Feeders and Valves for the Mineral Industry, 1935-1998

Managing Copper Mines in Chile : Braden, Codelco, Minerc, Pudahuel; Developing Controlled Bacterial Leaching of Copper from Sulfide Ores : 1941-1993

Working on the Twenty-Mule Team : Laborer to Vice President, U. S. Borax & Chemical Corporation, 1941-1969

Chemical and Metallurgical Process Engineer : Making Deuterium, Extracting Salines and Base and Heavy Metals, 1938-1990s

Mine Doctor's Wife in Mexico During The 1920s

Geologist : Engineering and Mining Journal, Marshall Plan, Cyprus Mines Corporation, and Stanford University, 1922-1980

Junior Engineer to President, Director of Phelps Dodge, 1937 To 1983

Leading a Changing Utah Construction and Mining Company : Oral History Transcript

Mining and Environmental Engineer for Utah-BHP Company, 1972-1997