TY  - BOOK
AU  - Clapp, Earle H.
AU  - Greeley, W.B.
AU  - Kittredge, J.
AU  - Shepard, Ward
AU  - Smith, Herbert A.
AU  - Sparhawk, W.N.
AU  - Zon, Raphael
ED  - United States.Department of Agriculture
TI  - Timber: mine or crop?
U1  - 634.98 21st ed.
PY  - 1923///
CY  - Washington
PB  - Government Printing Office
KW  - Forest products
KW  - Forests and forestry
KW  - Timber
ER  -