According to the catalog card, arrow E.1529.A has a blue band, the feathers are torn and bent, and the point is rusty.
09/03/2010, J. Peterson - According to the Compiled Military Service Records Official Army Register of the Voluntary Force 1861 - 1865 (as accessed through the website www.Ancestry.com), George C. Squires enlisted on the 1st of September 1864. He mustered out on the 31st of December, 1864. He is recorded as "known to have been at Sand Creek" in Jeff C. Campbell's "Sand Creek Massacre Background Booklet #2; Third Regiment Cavalry, Colorado Volunteers, Kiowa County Press, May 2006.
1/29/2001, C. Muniz - According to the catalog card, this arrow is Cheyenne or Arapaho in origin and is one of five (E.1529.A-.E) collected by George C. Squires at Sand Creek in December 1864.