1. Water-level changes in the High Plains Aquifer--predevelopment to 1995 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
2. Water-level changes in the High Plains regional aquifer, northwestern Oklahoma, predevelopment to 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Oklahoma City, Oklahoma : U.S. Department of the Interior, U.S. Geological Survey, 1983 Resource Type: Map Access & Availability: Loading