Instructor сivil engineering U. Maine, 1891-1894, assistant professor, 1894-1895, associate professor, 1895-1897, professor, 1897-1903. Engineer United States Geological Survey, 1903-1907. Hydraulic, construction and irrigation engineer with J. G. White & Company.
New York City, 1907-1911. Chief engineer Land Classification Board, 1911-1913, chief hydraulic engineer charge water resources branch United States Geological Survey, 1913-1939. Retired 1939.
Born January 31, 1868