Things Geologic
Things Geologic
The Mississippian and Pennsylvanian (Carboniferous) Systems in the United States--Arizona
Coal, Oil, Natural Gas, Helium, and Uranium in Arizona
Geologic Studies of the Phosphoria Formation in Restricted Areas, Melrose Phosphate Field, Montana
Geologic Guidebook 2 Highways of Arizona
Geologic Guidebook 1 Highways of Arizona
Geologic Guidebook 4, Highways of Arizona
A Survey of Uranium Favorability of Paleozoic Rocks in the Mogollon Rim and Slope Region, East Central Arizona
Earth Materials Evaluation, Arizona RARE II Areas
Arizona Well Information
G.S.A. field trip guide to coal deposits of Black Mesa and geologic road log between Phoenix and Page, Arizona
Stratigraphy of the De Chelly Sandstone of Arizona and Utah
Geologic Guidebook 4 - Highways of Arizona