2001 - Groundwater Flow in the Gulf Coast Aquifer Systems Southcentral United States [Regional Aquifer-System Analysis--Gulf Coastal Plain, B] (Paperback) ISBN-13: 9780607971200 ISBN-10: 0607971207 ? 1998 - Groundwater Flow in the Gulf Coast Aquifer Systems Southcentral United States [Regional Aquifer-System Analysis--Gulf Coastal Plain] (Hardcover) |