Bibliografía (12 obras)
Geology of Grand Canyon, Northern Arizona
2013
Geology of the Surprise Canyon formation of the Grand Canyon, Arizona
1999
Quest for the pillar of gold
1997
Geologic map of the Dutchman Draw quadrangle, northern Mohave County, Arizona
1993
Geologic map of the Russell Spring quadrangle, northern Mohave County, Arizona
Geologic map of The Grandstand quadrangle, northern Mohave County, Arizona
Geologic map of the Little Tanks quadrangle, northern Mohave County, Arizona
Geologic map of the Lost Spring Mountain East quadrangle, northern Mohave County, Arizona
Geology of Grand Canyon, northern Arizona (with Colorado River guides)
1989
Geology and geomorphology of the southwestern Moenkopi Plateau and southern Ward Terrace, Arizona
1987
Breccia pipe and geologic map of the southeastern Hualapai Indian Reservation and vicinity, Arizona
1986
A synopsis of stratigraphy in the Western Grand Canyon
1978
