1. Geologic map of Sullivan Draw and vicinity, Mohave County, northwestern Arizona Author/Creator: Billingsley, George H. Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
2. Geology and geomorphology of the southwestern Moenkopi Plateau and southern Ward Terrace, Arizona Author/Creator: Billingsley, George H. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading