TY  - BOOK
AU  - WORTHINGTON, Norman P
TI  - Commercial thinning of Daougals - fir in the Pacific Northwest
U1  - 674.144 W84C 
PY  - 1961///
PB  - Washington
KW  - DOUGLAS FIR I.U.S. DEPARTMENT OF AGRICULTURE
KW  - DOUGLAS FIR I.U.S. DEPARTMENT OF AGRICU
ER  -