. Defects in timber caused by insects. Wood; Forest insects. DEFECTS IX TIMBER CAUSED BY INSECTS 27 wood of hardwoods or softwoods as unstained irregular holes from one-fourth to 1 inch in diameter, which may be open, loosely ^or tightly filled with powder, with granular or fibrous frass, or with These and similar types of borer injury can be prevented by prompt handling of the logs after they are felled. Logs, bolts, and sawn or squared timbers should never be allowed to lie where cut in the 1st the. Please note that these images are extracted from scanned page images that may have
. Defects in timber caused by insects. Wood; Forest insects. DEFECTS IX TIMBER CAUSED BY INSECTS 27 wood of hardwoods or softwoods as unstained irregular holes from one-fourth to 1 inch in diameter, which may be open, loosely ^or tightly filled with powder, with granular or fibrous frass, or with These and similar types of borer injury can be prevented by prompt handling of the logs after they are felled. Logs, bolts, and sawn or squared timbers should never be allowed to lie where cut in the 1st the. 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 Snyder, Thomas Elliott, b. 1885. Washington, D. C. : U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwa, booksubjectwood
