TY  - BOOK
AU  - Staebler, George R.
AU  - Worthington, Norman P.
TI  - Commercial thinning of Douglas-fir in the Pacific Northwest
U1  - 585.2 21st ed.
PY  - 1961///
CY  - Washington
PB  - U.S. Department of Agriculture
KW  - Douglas fir-Northwestern States
KW  - Forest management-Northwestern States
ER  -