. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Bui. 460, U. S. Dept. of Agriculture. Plate PlNUS MONOPHYLLA: FOLIAGE AND OPEN CONE (ATTACHED TOP VIEW), a, Detached closed 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, bookdecade1910, booksubjectagriculture