California's Forest Products Industry and Timber Harvest,2006Todd A. Morgan, Jason P. Brandt, Kathleen E. Songster, Charles E. Keegan, Glenn A. Christensen · First published 2015Open the Tome
Montana mill residue assessment and simulation systemCharles E. Keegan · First published 1987Open the Tome
Wyoming timber production and mill residues, 1976Charles E. Keegan · First published 1979Open the Tome
Wyoming's timber production and mill residues, 1976Charles E. Keegan · First published 1979Open the Tome