Donald J. Bills
Estimates of ground-water flow components for Lyman Lake, Apache County, Arizona- Hydrogeologic data for the Coconino Plateau and adjacent areas, Coconino and Yavapai Counties, Arizona
- Hydrogeology of the Coconino Plateau and adjacent areas, Coconino and Yavapai counties, Arizona
- Hydrogeology of the regional aquifer near Flagstaff, Arizona, 1994-97