1. Development, description, and application of a geographic information system data base for water resources in karst terrane in Greene County, Missouri Author/Creator: Waite, Loyd A., author Publication/Creation: Rolla, Missouri : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
2. Digital data acquisition and development of geographic information system coverages for use with the public water-supply wells and springs in Tennessee Author/Creator: Connell, Joseph F., author Publication/Creation: Nashville, Tennessee : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading