TY - BOOK AU - Baird, Charles O. TI - Gauging the potential investment efficiency of the forest resources in a depressed area : A study in methodology with application to the Cumberland plateau section of appalachia U1 - 634.92 21st ed PY - 1965/// CY - Durham PB - Duke University School of Forestry KW - forest resources KW - wood -production KW - agriculture ER -