Assistant geologist, Missouri Geological Survey, 1872-1874, Kentucky Geological Survey, 1874-1880. Professor natural science, Bethel College, Russellville, Kentucky, 1877-1881. Editorial writer Russellville Herald-Enterprise, 1879-1882.
Mining engineer, gold, silver and coal companies, 7 years. Chief inspector mines, Kentucky, 1884-1897. Curator Kentucky State Geological Department, 1893-1897.
Dean and professor mining and metallurgy, College Mines and Metallurgy of State University of Kentucky, January 1902-June 1918. Chief State Department of Mines, 1902-1920. Director State Geological Survey, 1904-1912.
Professor mining and head department mines and metallurgy, College of Engineering, University of Kentucky, January since 1920. Superintendent and designer Kentucky mineral exhibit, St. Louis Exposition, 1904. Represented Kentucky at National Conference Weights and Measures, 1906-1907.
Member Kentucky Commission, Jamestown Exposition, 1907.
Born September 17, 1853