1. Summary appraisal of water resources of the Umatilla Indian Reservation Author/Creator: Gonthier, Joseph B., author Publication/Creation: Portland, Oregon : U.S. Geological Survey, 1993 Format: Book Access & Availability: Loading
2. A description of aquifer units in eastern Oregon Author/Creator: Gonthier, Joseph B., author Publication/Creation: Portland, Oregon : U.S. Geological Survey, 1985 Format: Book Access & Availability: Loading