History
Twin Chimneys
(100 Yards North) Used as a landmark in the 19th century by surveyors sighting from Duffy's Peak, located ten miles northeast. Jasper Hays, earliest recorded surveyor of this area, used the peaks during 1877-78 for charting the Llano Ranch, later bought by C. W. Post, the cereal king. Hays established, in addition, lines from which section surveys were made. Civil engineer A. L.