For future people, the answer is the Grand coulee Dam
Salutations!
Who used the theory of uniformitarianism to expand the age of the Earth?
Charles Lyell used the theory of uniformitarianism to expand the age of the Earth. His scheme provided the "extending time" obligatory so that biological evolution would have taken place.
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75-79? I think that is what is; the shape are so similar so its kinda hard to tell