Handwritten and signed letters. Two are dated 25 Sept. 1876 and the other is dated 1 Oct. 1876. All three were written at Ft. Laramie, Wyoming and addressed to Wesley Merritt, commander of the 5th Calvary. Crook orders the discharge of some scouts, advises that "California Joe" be made the Merritt's guide, and tells him how to attack Red Cloud's Dakota Indians.

Handwritten treaty detailing the terms by which the Sioux Indians granted a right-of-way to build the Powder River Road across the Bighorn Mountains, Wyoming. The document lists the names of Sioux chiefs, including Red Cloud, who drafted the treaty.