1. Chemical evolution and estimated flow velocity of water in the Trinity aquifer, south-central Texas Author/Creator: Jones, S. A. (Sonya A.), author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
2. Geochemistry of water in aquifers and confining units of the northern Great Plains in parts of Montana, North Dakota, South Dakota, and Wymoming Publication/Creation: Denver, CO : For sale by USGS Map Distribution Resource Type: Book Access & Availability: Loading
3. Geochemical evolution of water in the Madison Aquifer in parts of Montana, South Dakota, and Wyoming Publication/Creation: Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey Resource Type: Book Access & Availability: Loading