Woodlot Lumberjack: bio-fuel
Woodland sculpture concept sketch
Ink, graphite, and colored pencil
8.5 x 11”
Bio-fuel for the masses?
Peterken, George. Woodland Conservation and Management (Second edition). London: Chapman & Hall, 1993.
Wojtkowski, Paul A. Undoing the Damage: Silviculture for Ecologists and Environmental Scientists. Enfield, New Hampshire: Science Publishers, 2006.