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Title: Product recovery of ponderosa pine in Arizona and New Mexico.
Author: Fahey, Thomas D.; Sachet, Janet K. Ayer.;
Source: Res. Pap. PNW-RP-467. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 18 p
Publication Series: Research Paper (RP)
Description: A mill recovery study of ponderosa pine in Arizona and New Mexico showed wide variation in quality within the resource. Lumber grade ranged widely by log grade and diameter, with a major difference within grade 5 logs between old growth and young growth. Old growth produced mostly Shop and Selects grades of lumber while young growth produced mostly Dimension grades of lumber; small-diameter young growth developed severe problems of warpage. Log grades separated logs into distinct value classes, and separating young-growth timber (as if an additional grade) allowed better segregation of logs by product type and expected value.
Keywords: Product recovery, ponderosa pine, Pinus ponderosa, log grading and scaling, timber valuation
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Fahey, Thomas D.; Sachet, Janet K. Ayer. 1993. Product recovery of ponderosa pine in Arizona and New Mexico. Res. Pap. PNW-RP-467. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 18 p
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