Books by W. G. Hoyt:
Books in the extended shelves:
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Hoyt, W. G. (William Glenn), 1886-1971: Surface water supply of the United States, pt. V. : Hudson Bay and upper Mississippi River basins ... 1907/08- (Govt. Print. Off., 1910), also by Geological Survey (U.S.), Marshall Ora Leighton, Howard J. Jackson, Albert Howard Horton, and Nathan Clifford Grover (page images at HathiTrust)
Find more by W. G. Hoyt at your library, or elsewhere.