Development over 25 years of Douglas-fir, western hemlock, and western redcedar planted at various spacings on a very good site in British Columbia
[Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1987]
1987
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
Copyright Status:
Not provided. Contact Holding Institution to verify copyright status.