His family has operated a ranch in the area since 1881 .
Thornberry is a lifelong resident of Clarendon , 60 miles ( 97 km ) east of Amarillo in the heart of the 13th .
Thornberry 's family has operated a ranch in the area since 1881 .
Thornberry is a lifelong resident of Clarendon , 60 miles ( 97 km ) east of Amarillo in the heart of the 13th .