4 Tex. Admin. Code § 41.20
Quarantined areas are as follows for Starr County. Beginning at a point where U.S. Highway 83 intersects the Zapata-Starr County line and following a fence along the Zapata-Starr County line in a southwesterly direction to where it intersects the east fence of the Falcon State Park, approximately 3 3/4 miles; thence, following the east fence of the Falcon State Park in a southeasterly direction to a corner, approximately one mile; thence, following the same fence in an easterly direction to a corner, approximately 100 yards; thence, following the same fence in a southerly direction to a corner, approximately 100 yards; thence, following the same fence in an easterly direction to a cattle guard at the entrance of Falcon State Park at Old U.S. Highway 83, approximately .4 mile; thence, across Park Road 46 at the entrance to Falcon State Park on Old U.S. Highway 83 and following the park enclosure fence in a southerly direction to a corner, approximately 100 yards; thence, following Falcon State Park fence in a westerly direction to a corner, approximately .4 mile; thence, following the same fence in a southerly direction to where it intersects the north fence of the IBWC compound, approximately .5 mile; thence, following the IBWC compound north fence in an easterly direction to its intersection with Old U.S. Highway 83, approximately .4 mile; thence, following Old U.S. Highway 83, also known as FM Road 2098, south and southeast to its junction with the present U.S. Highway 83, approximately 4 1/4 miles; thence, following U.S. Highway 83 in a southeasterly direction to the south fence of the M. Ramirez Pasture at the north city limits of Roma, approximately 9.5 miles; thence, following the south fence of the M. Ramirez Pasture in a northeasterly direction to where it intersects the west fence of the G. Madrigal Ranch, approximately .4 mile; thence, following the meanderings of the west fence of the G. Madrigal Ranch in a southeasterly direction, around the east side of the R. Pena addition to the City of Roma to a dirt road, approximately .9 mile; thence, following the same dirt road in a southerly direction to where it intersects U.S. Highway 83 at the Roma Graveyard, approximately .3 mile; thence, following the north side of U.S. Highway 83 in an easterly direction through Rio Grande City to its intersection with Loop 83, approximately 18 miles; thence, following the north side of Loop 83 in an easterly direction to its intersection with the MP Railroad right-of-way, approximately 3.5 miles; thence, following the north side of MP Railroad in an easterly direction to the Starr-Hidalgo County Line, approximately 13 miles.
Source Note:The provisions of this §41.20 adopted to be effective June 23, 2002, 27 TexReg 5175.