State of Texas, east of and including the counties of Val Verde and Crockett; south of and including the counties of Schleicher, Menard, Mason, Llano; east and south of and including the counties of Matagorda, Wharton, Colorado, Austin, Washington, Burleson, Robertson, Leon, Houston, Angelina, Jasper and Newton; west of and including the counties of Milam, Lee Fayette, Lavaca, Jackson and Calhoun.  To view a map, click here.