Party affiliation: Republican
Engineer Isabella Gold Mining Company, Cripple Creek, Colorado, 1899-1901, Isabella Mines Company, 1901-1903. Superintendent Isabella Lease, 1904. Engineer and assayer, Findley Consolidated Mining Company, Cripple Creek, 1905-1906.
Metallurgist and engineer Inca Mining Company, Peru, S.A., 1906-1909. Assistant superintendent Roosevelt Drainage Tunnel, Cripple Creek, 1909-1910. Superintendent Isabella Mines Company, 1910-1913.
General manager Jumper, California, Gold Mines. Company, Stent, California, Vice-President and general manager Contention Mining Company, Knight Creek, Tuolumne Company, California, 1913-1919. Treasurer Ajax Mine Lease Company, Victor, Colorado, 1921-1922.
Manager and vice president McElroy Ranch Company, Crane, Texas, 1927-1949 (retired). Vice-president, director Franco Wyoming Oil Corporation, McElroy Royalty Corporation Professor mining, 1919-1928, dean, 1921-1928, Colorado School of Mines.