. Bulletin. Natural history; Natural history. 318 Illinois Natural History Survey Bulletin Vol. 28, Art. 21. Fig. 10.—The Sangamon River near Mahomet in the autumn of 1928 (above) and the au- tumn of 1962 (below). The habitats at this site have remained relatively 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Educat

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. Bulletin. Natural history; Natural history. 318 Illinois Natural History Survey Bulletin Vol. 28, Art. 21. Fig. 10.—The Sangamon River near Mahomet in the autumn of 1928 (above) and the au- tumn of 1962 (below). The habitats at this site have remained relatively 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division

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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory