The Kaiparowits region, a geographic and geologic reconnaissance of part of Utah and Arizona - Gregory, Herbert E. (Herbert Ernest), 1869-1952.; Moore, Raymond C. (Raymond Cecil), 1892-1974 (Washington, U.S. Govt. print off., 1931)
At head of title: United States Department of the interior.
Two maps and diagram folded in pocket.
Bibliographical foot-notes.
Keywords: Geology -- Arizona; Geology -- Utah; Physical geography -- Arizona; Physical geography -- Utah