. The beaver : its work and its ways. Beavers; Mammals. .df^A- Upper: Fig. 49. Pond in the "Bench Colony," Partly Drained, September 4, 1921 Lower: Fig. 50. Pond in the "Bench Colony," Well Advanced Toward a Meadow, August 17, 1923 100. 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 Warren, Edward Royal, 1860-1942. Baltimore : The Williams & Wilkins Company

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectb, booksubjectmammals