With Cleveland Cliffs Iron Company, Ishpeming, Michigan, 1905-1906. General superintendent mines and mill, Benito Juarez Mines Company, Salinas, Mexico, 1907-1908. Assistant examining engineer with F. W. Royer, Mexico City, 1908-1909.
With John Hays Hammond’s syndicate in Mexico, 1909-1910. With Spurr & Cox, Incorporated, New York York, 1910-1911. Examining mining engineer with W. Rowland Cox, New York, 1911-1915.
Consultant mining engineer from 1915.