Burger, James A.; Galbraith, J.; Fox, T.; Amacher, G.; Sullivan, J. & Zipper, C. RESTORING SUSTAINABLE FORESTS ON APPALACHIAN MINED LANDS FOR WOOD PRODUCTS, RENEWABLE ENERGY, CARBON SEQUESTRATION, AND OTHER ECOSYSTEM SERVICES, report, November 29, 2004; (https://digital.library.unt.edu/ark:/67531/metadc780576/m1/1/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .