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The environment and history of the toroweap and kaibab formations of northern Arizona and southern Utah.

By Mckee, Edwin D..
Washington : Carnegie Institution, 1938 .
268 p. : 25 cm.

By Daugherty, Lyman H..
Washington : Carnegie Institution, 1941 .
107 p. : 29 cm.

By White, David.
Washington : Carnegie Institution, 1929 .
118 p. : 25 cm.

Washington : Carnegie Institution, 1934 .
135 p. : 26 cm.