Background
Ewoldt, Harold Boaden was born on December 12, 1908 in Bennett, Iowa, United States. Son of Henry Hans and Leitha (Boaden) Ewoldt.
Ewoldt, Harold Boaden was born on December 12, 1908 in Bennett, Iowa, United States. Son of Henry Hans and Leitha (Boaden) Ewoldt.
Bachelor of Science, South Dakot School Mines, 1930.
Superintendent, Double Rainbow Mines, Incorporated., Deadwood, South Dakot, 1930-1933. Senior foreman construction, maintenance, United States.F.S., Deadwood, 1933-1936. Superintendent Gregory Bates Mining Company, Black Hawk, Colorado, 1936-1939.
District engineer United States Bureau Mines, Norris, Tennessee, 1939-1944.
Manager Calumet & Hecla, Shullsburg, Wisconsin, 1946-1950. Vice president, general manager Copper Range Company, Boston, 1950-1956.
Director planning Cerro Corporation, New York City, 1956-1960. Chief mining engineer Le Tourneou Westinghouse, Peoria, Illinois, 1960-1969.
Senior mining engineer WABCO, Civil Engineer division, 1967-1969.
Served to Lieutenant United States Naval Reserve, 1944-1946. Member American Institute Mining Engineers, Mining and Metallurgical Society, American Association Cost Engineers. Mason (Shriner), Elk.
Married Florence Thomas Lead, August 14, 1930. Married second, Millard Curlin, April. Children: Betty (Mistress William F. McKissock, Junior.