1. Occurrence of natural radium-226 radioactivity in ground water of Sarasota County, Florida Author/Creator: Miller, Ronald L. (Ronald Lewis), author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
2. Occurrence of saltwater in the alluvial aquifer in the Boeuf-Tensas Basin, Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading