TY - BOOK AU - Ruppert, Willliam J AU - Graham, R.D. TI - Utilization of western hemlock and western firs for poles and piles U1 - 634.982 21st ed. PY - 1974/// CY - Oregon PB - Oregon State University KW - Wood KW - Wood utilization KW - Utilization-Western Hemlock KW - Utilization-Western Firs ER -