Introduction to a Hydrogeologic Study CB-1(NS) 31 pp., size 8.5" x 11". 2009, Description: First in the New Series of Conservation Bulletins, a joint effort of the Eastern Nebraska Water Resources Assessment (ENWRA) cooperating agencies. Ensuring a sustainable supply of water in eastern Nebraska is essential to the region's economic, environmental, and social well-being. Managing groundwater at sustainable levels requires a detailed understanding of the geologic framework and water budget for a given region. In this publication you'll read chapters on the Challenge of Water Supply in Nebraska, the Geologic Setting of Groundwater in Eastern Nebraska, and Pilot Study Sites and Investigative Tools and Techniques. An interesting blend of water science, history, and policy.