Unidentified photographer 1873 (or later) Donald McKay [Modoc War Scout]
Cabinet card, hand-coloured Cowan's Auctions, Inc American History: Premier Auction, 26 June 2018, Lot: 417
With verso advertisement for "Modoc Indian Oil," which the "Indians believe to be the Great Spirit's Medicine."
During 1873, McKay was in charge of a group of Warm Springs Indian scouts who were hired by the US Army to lead troops into the lava beds of western Oregon in search of the Modoc renegade Captain Jack and his band.