1. Selected geochemical characteristics of ground water from the Marshall aquifer in the central Lower Peninsula of Michigan Author/Creator: Ging, Patricia B., author Publication/Creation: Lansing, Michigan : U.S. Geological Survey, 1996 Format: Book Access & Availability: Loading
2. Summary of the San Juan structural basin regional aquifer-system analysis, New Mexico, Colorado, Arizona, and Utah Author/Creator: Levings, Gary W., author Publication/Creation: Albuquerque, New Mexico : U.S. Geological Survey, 1996 Format: Book Access & Availability: Loading