. Lumber recovery from ponderosa pine in the Black Hills, South Dakota. Lumber; Ponderosa pine South Dakota; Ponderosa pine Black Hills (S; D; and Wyo; ). Table 3—Estimated recovery percent (overrun) from ponderosa pine logs in the Black Hills Estimated Scaling Number recovery diameter of logs Net scale Defect (overrun) Inches Board feet - Percent - - 5 19 205 0 151 6 109 T475 14 142 7 125 2910 11 135 8 102 2460 10 130 9 93 3170 8 126 10 66 3080 10 122 11 66 3980 8 120 12 46 3310 6 117 13 33 2940 7 116 14 16 1520 16 114 15 16 2090 3 113 16 8 1130 8 111 17 5 800 9 110 18 6 1080 14 109 19 4 890
. Lumber recovery from ponderosa pine in the Black Hills, South Dakota. Lumber; Ponderosa pine South Dakota; Ponderosa pine Black Hills (S; D; and Wyo; ). Table 3—Estimated recovery percent (overrun) from ponderosa pine logs in the Black Hills Estimated Scaling Number recovery diameter of logs Net scale Defect (overrun) Inches Board feet - Percent - - 5 19 205 0 151 6 109 T475 14 142 7 125 2910 11 135 8 102 2460 10 130 9 93 3170 8 126 10 66 3080 10 122 11 66 3980 8 120 12 46 3310 6 117 13 33 2940 7 116 14 16 1520 16 114 15 16 2090 3 113 16 8 1130 8 111 17 5 800 9 110 18 6 1080 14 109 19 4 890 10 108 300 r. 5 10 15 20 Small-end diameter (inches) Figure 3.—Percent of lumber recovery (overrun) over scaling diameter. Data are combined recovery for mill-length logs from two sawmills cutting 1-inch-thick lumber: y = + (1/d) . Coefficient of determination = and standard deviation from regression = 6. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Plank, Marlin E. cn; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ) cn. [Portland, Or. ] : U. S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
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