Colorado Superintendency of Indian Affairs

History
The Colorado Superintendency of Indian Affairs was established in 1861. After the Superintendency was abolished in 1870, after which the agents reported directly to the Office of Indian Affairs in Washington, DC. Correspondence continued to be filed under "Colorado" until the filing system was changed in 1881, however.

Records
Letters received by the Office of Indian Affairs from the Colorado Superintendency, 1861-1880, have been microfilmed by the National Archives as part of their Microcopy Number M234. Copies are available at the National Archives and at the Family History Library and its family history centers on their microfilm roll numbers 1660927 thru 1660944.