Read more about the life of Andrew Mather
in the Book by Captain Jeff Maltby
Frontier Life in Texas with the Texas Rangers
CHAPTER IX, page 73
Sergeant Andrew Mather is sent on a scout in Callahan county; Camps near Caddo Peak. John Parsons is sent out to kill a deer for meat, encounters Big Foot and band, makes his celebrated shot, Big Foot dodges the bullet and makes his escape.
CHAPTER XII, page 85
Sargeant Mather is sent on a scout in Runnels county in which discipline, coupled with individual bravery, kills the largest bear in West Texas with a bowie knife.