1. Geohydrologic units and water-level conditions in the Terrace alluvial aquifer and Paluxy aquifer, May 1993 and February 1994, near Air Force Plant 4, Forth Worth area, Texas Yale Public content 1996. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Texas, Fort Worth Region, and Tarrant County.