1. Percentage change in saturated thickness of High Plains aquifer, west-central Kansas, 1950 to average ... Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : Department of the Interior, United States Geological Survey, 1982-1991 Resource Type: Map Access & Availability: Loading
2. Potentiometric surface of the alluvial aquifer and hydrologic conditions in the Santa Isabel-Juana Diaz area, Puerto Rico, March to April, 1987 Author/Creator: Geological Survey (U.S.). Water Resources Division. Caribbean District, cartographer Publication/Creation: San Juan, P.R. : Department of the Interior, U.S. Geological Survey, Water Resources Division, Caribbean District, 1990 Resource Type: Map Access & Availability: Loading