Timber growing and logging practice in the Southern appalachian region
Frothingham, E.H.
Timber growing and logging practice in the Southern appalachian region - Washington 1931 - 1-93 p. - United States Department of Agriculture. Technical Bulletin No. 250 .
Timber growing and logging practice in the Southern appalachian region - Washington 1931 - 1-93 p. - United States Department of Agriculture. Technical Bulletin No. 250 .