1. Description and evaluation of numerical groundwater flow models for the Edwards aquifer, south-central Texas Author/Creator: Lindgren, Richard J. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2009 Resource Type: Book Access & Availability: Loading
2. Directions of ground-water flow and locations of ground-water divides in the Lost River Watershed near Orleans, Indiana Author/Creator: Bayless, E. Randall 1961- (Edward Randall), author Publication/Creation: Indianapolis, Indiana : U.S. Geological Survey, 1994 Resource Type: Book Access & Availability: Loading