1911 Encyclopædia Britannica, Volume 5… (1911)
“ In 1854 he became Indian agent at Taos, New Mexico, in which position, through his knowledge of the Indian traits and language, he was able to exercise for many years a restraining influence over the warlike Apaches and other tribes. During the Civil War he rendered invaluable services to the Federal cause in the south-west as chief scout in charge of the various bodies of irregular scouts and rangers participating in the constant border warfare that characterized the conflict in that part of the Union. ”
