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by U.S. Department of the Interior
by United States Senate
by Loney, Timothy J.; U.s. Army War College
by Jones, Samuel E.
by Barnson, William
by Clement, Mary C.
by Eden, Bradford Lee
by Goldberg, Daniel S.; Cha, Y. K.
by National Academies of Sciences, Engineering, and Medicine (CON); Division on Earth and Life Studies (CON)