This primary source comes from the Records of the War Department General and Special Staffs.
National Archives Identifier:
533246Full Citation: Warm Spring scouts, Lava Beds, California; their leader, Donald McKay, is leaning against rock; 1873; Records of the War Department General and Special Staffs, Record Group 165. [Online Version, https://docsteach.org/documents/document/warm-spring-scouts-lava-beds-california-their-leader-donald-mckay-is-leaning-against-rock, December 6, 2024]