1. Cenozoic stratigraphy and geologic history of the Tucson Basin, Pima County, Arizona Author/Creator: Anderson, S. R., author Publication/Creation: Tucson, Arizizona : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
2. Gulf Coast regional aquifer-system analysis : a Mississippi perspective Author/Creator: Grubb, Hayes F., author Publication/Creation: Austin, Tex. : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading