1. Approximate change in water levels in the Chicot and Evangeline aquifers 1977-88 and 1987-88, and measured compaction 1973-88, in the Houston-Galveston region, Texas Author/Creator: Gabrysch, R. K. Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading