TY - BOOK ID - 133876348 TI - Ponderosa pine-grand fir spacing study in central Oregon : results after 10 years PY - 1985 PB - [Portland, Or.] U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station DB - UniCat KW - Abies grandis KW - Growth KW - Internet resource KW - Ponderosa pine KW - Spacing KW - Tree planting KW - Trees KW - Oregon, Central UR - https://www.unicat.be/uniCat?func=search&query=sysid:133876348 AB - ER -