. The beaver : its work and its ways. Beavers; Mammals. 42 THE BEAVER mentions a dam 75 feet long and three feet high on Salmon Brook in the Adirondacks, which made a flow about a mile long. Beavers sometimes display excellent judgment in locating a dam at the most suitable point to get the best results. At Crescent Hill, Yellowstone Park, the dam making the large pond previously mentioned was placed at the lower end of a gulch between Crescent Hill and a ridge to the east, O /O 30 <fO -^O/TTiS' -T-. FiG. 17. A Dam Which Covered an Arc of 225 Degrees at a point where the two slopes came
. The beaver : its work and its ways. Beavers; Mammals. 42 THE BEAVER mentions a dam 75 feet long and three feet high on Salmon Brook in the Adirondacks, which made a flow about a mile long. Beavers sometimes display excellent judgment in locating a dam at the most suitable point to get the best results. At Crescent Hill, Yellowstone Park, the dam making the large pond previously mentioned was placed at the lower end of a gulch between Crescent Hill and a ridge to the east, O /O 30 <fO -^O/TTiS' -T-. FiG. 17. A Dam Which Covered an Arc of 225 Degrees at a point where the two slopes came closest together; the gulch widened above where the pond was formed, while below the valley spread out and became flatter; this was the place an engineer would have selected for the same purpose. This dam appeared to be rather an old one. Several hundred feet below, along the gulch, the beaver had, in 1921, begun another dam at a similar spot, where the two slopes approached and a comparatively short dam would flood a. 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
