. Bulletin. . BULLETIN OF THE No. 30. 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. Office of Experiment Stations. Washington, Govt. Print. Off

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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherwashingtongovtprin