Cenozoic geology of Arizona--A 1960 resume, in Heindl, L.A., ed., Cenozoic Geology of Arizona - A Symposium
Heindl, L.A., 1962, Cenozoic geology of Arizona--A 1960 resume, in Heindl, L.A., ed., Cenozoic Geology of Arizona - A Symposium: Arizona Geological Society Digest, v. 5, p. 9-23.