Background
Dahl, Hilbert Douglas was born on July 1, 1942 in Wilkinsburg, Pennsylvania, United States. Son of Hilbert Greiner and Melissa (Jones) Dahl.
Dahl, Hilbert Douglas was born on July 1, 1942 in Wilkinsburg, Pennsylvania, United States. Son of Hilbert Greiner and Melissa (Jones) Dahl.
Bachelor in Mining Engineering, Pennsylvania State University, 1965. Master in Mining Engineering, Pennsylvania State University, 1967. Doctor of Philosophy in Mining Engineering, Pennsylvania State University, 1969.
Postgraduate, Massachusetts Institute of Technology, 1981.
Research scientist, Conoco, Ponca City, Oklahoma, 1969-1978; director underground mine engineering, Consolidation Coal Company, Pittsburgh, 1978; vice president department exploration and land, Consolidation Coal Company, Pittsburgh, 1979; vice president Moundsville (West Virginia) operations, Consolidation Coal Company, Pittsburgh, 1980-1982; executive vice president engineering, exploration and environmental affairs and non-mining, Consolidation Coal Company, Pittsburgh, 1982-1990; president, chief operating officer, Drummond Company, Inc., Birmingham, Alabama, since 1990.
Member American Institute of Mining, Metallurgy, and Petroleum Engineers (Rock Mechanics award 1990, Distinguished Member award 1991), National.Coal Association (board directors), National Coal Council (board directors), American Coke and Coal Chemicals Institute (board directors 1991), Society for Mining, Metallurgy and Exploration (Daniel C. Jackling award 1991), Alabama Coal Association (board directors 1991), Old Timers Club, King Coal Club, Shoal Creek Country Club, Musgrove Country Club.
Married Joanne Hallman, April 14, 1965. Children: James, Michael, Melynda, Gregg.