. Department bulletin. Agriculture; Agriculture. Bui. 1128, U. S. Dept. of Agriculture. Plate Section of Yellow-birch Propeller Stock. The incipient decay here shown is caused by the false tinder 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 United States. Dept. of Agriculture. Washington, D. C. The Dept. : Supt. of Docs. , G. P. O.

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Keywords: ., bookauth, bookcentury1900, bookdecade1920, booksubjectagriculture