4 Tex. Admin. Code § 41.15
Quarantined areas are as follows for Val Verde County. Beginning at a point on the south bank of the Devils River where the Amistad Dam Compound east fence intersects the water line and following this east fence of the compound in a southerly direction to the southeast corner of the Amistad Dam Compound, approximately 1 3/4 miles; thence, following the meanderings of this compound fence in a southwesterly direction to where it intersects the east right-of-way fence of the old railroad, approximately 3 1/4 miles; thence, following the old railroad right-of-way fence in a southeasterly direction to its intersection with the right-of-way fence of the present Southern Pacific Railroad, approximately 3 1/8 miles; thence, following Southern Pacific Railroad in a southeasterly direction to a point directly north across a gravel road from the northeast corner of the Slover Field, approximately 5 3/4 miles; thence, south across this gravel road to the northeast corner of the Slover Field and following the meanderings of the east fence of the Slover Field in a southwesterly direction to where it intersects the northeast corner of the Woodson Field 1, approximately 1/8 mile; thence, following the meanderings of Woodson Field 1 east fence in a southwesterly direction to the southwest corner of the same, approximately 1/4 mile to the north fence of the Payne Pasture; thence, following the north fence of the Payne Pasture in a westerly direction to the southwest corner of the same, approximately 100 yards; thence, following the west fence of the Payne Pasture in a southeasterly direction across Cienegas Creek to its junction with Kite Road, approximately 100 yards; thence, following Kite Road in a southerly direction to where it intersects Garza Lane, approximately .3 mile; thence, following Garza Lane in a westerly direction to a corner, approximately 1/8 mile; thence, following Garza Lane in a southeasterly direction to where it intersects U.S. Highway 277 Spur, approximately 1 1/8 miles; thence, following U.S. Highway 277 Spur in a southeasterly direction to its intersection with Hudson Drive, approximately .5 mile; thence, following Hudson Drive in a southeasterly direction to where it joins Rio Grande Drive, formerly called Silo Field Road, approximately .6 mile; thence, following the west fence of Rio Grande Drive in a southeasterly direction to where it joins the east fence of the Rudy Mota Vega, approximately .4 mile; thence, following the east fence of the Rudy Mota Vega in a southeasterly direction to where it joins the San Felipe Creek, approximately .3 mile; thence, following San Felipe Creek in an easterly direction to where it joins the W.L. Moody Rancho Rio Grande north fence of the Leroyce Pasture, approximately 1.2 miles; thence, following the meanderings of the Leroyce Pasture north fence in an easterly direction to a corner where it intersects the west right-of-way fence of U.S. Highway 277 being the east fence of the Rancho Rio Grande, approximately 3.2 miles; thence, following the Rancho Rio Grande east fence (on the west side of U.S. Highway 277) in a southeasterly direction to where it intersects the Val Verde-Kinney County line approximately 9.2 miles.
4 Tex. Admin. Code § 41.15