show the dam did not exist in 1975, but it appeared in subsequent images. It has two or more lodges and is a combination of two original dams. Google Earth images show new dams being built which could ultimately join the main dam and increase the overall length by another 50 to 100 metre during the next decade. Coordinates: .

Another large beaver dam measuring 2139 ft long, 14 ft high and 23 ft thick at the base was found in Three Forks, Montana.

Effects

Dam building can

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