Geodatabase of the available top and bottom surface datasets that represent the Edwards-Trinity aquifer system, Arkansas, Oklahoma, and Texas
This geodatabase contains the spatial datasets that represent the Edwards-Trinity 
aquifer system in the States of Arkansas, Oklahoma, and Texas. Included are: 
			
(1) polygon extents; datasets that represent the aquifer system extent, the entire 
extent subdivided into subareas or subunits, and any polygon extents …