1. Geologic map of the Fredonia 30ʹ x 60ʹ quadrangle, Coconino and Mohave Counties, northern Arizona Author/Creator: Billingsley, George H. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
2. Geologic map of the Cameron 30ʹ x 60ʹ quadrangle, Coconino County, northern Arizona Author/Creator: Billingsley, George H. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2007 Format: Map Access & Availability: Loading
3. Geologic Map of Wupatki National Monument and Vicinity, Coconino County, Northern Arizona Author/Creator: Billingsley, George H. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2007 Format: Map Access & Availability: Loading
4. Geologic map of the Peach Springs 30ʹ x 60ʹ quadrangle, Mohave and Coconino Counties, northwestern Arizona Author/Creator: Billingsley, George H. Publication/Creation: Flagstaff, Ariz. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Format: Map Edition: Version 1.0. Access & Availability: Loading
5. Geologic map of the Valle 30ʹ x 60ʹ quadrangle, Coconino County, northern Arizona Author/Creator: Billingsley, George H. Publication/Creation: Flagstaff, Ariz. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Format: Map Edition: Version 1.0. Access & Availability: Loading
6. Geologic map of Pipe Spring National Monument and the western Kaibab-Paiute Indian Reservation, Mohave County, Arizona Author/Creator: Billingsley, George H. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Format: Map Access & Availability: Loading
7. Geologic map of upper Clayhole Valley and vicinity, Mohave County, northwestern Arizona Author/Creator: Billingsley, George H. Publication/Creation: Flagstaff, Ariz. : U.S. Geological Survey, 2003 Format: Map Edition: Version 1.0. Access & Availability: Loading
8. 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 Format: Map Access & Availability: Loading
9. 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 Format: Book Access & Availability: Loading