Charles D. Poston was the first Superintendent of Indian Affairs for Arizona from 1863 to 1864. Poston was known as the Father of the Arizona Territory because of his lobbying efforts to establish Arizona as a separate territory.
The collection consists of an unpublished manuscript that contains sections on the Oatman family and the Camp Grant Massacre. There are also typewritten materials from the Arizona Pioneers Society, which includes a list of people killed by Apaches from 1869 to 1870; an 1885 resolution to present the true Apache situation to government officials; and contemporary newspaper clippings related to the Apache.