Beaver Dam, Yellowstone National Park, Wyo., U.S.A., A
A BEAVER DAM, YELLOWSTONE PARK. One of the delightful exhibitions along the route between Mammoth Hot Springs and Norris Geyser Basin is the series of beaver dams which were built, many years ago, across a stream that flows along the base of the Obsidian Cliffs. The roadway runs directly along the margin of the series of ponds made by these dams--of which there are several, only a few rods apart, still stretching in zigzag form across the narrow valley. The water level in each pond, as one ascends the stream, is two or three feet higher than the level of the neighbor below. Here we have true ...
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