Printed on mount: I certify that L. Heller has this day taken the photographs of the above Modoc Indian prisoner under my charge. Capt. C.B. Throckmorton, 4th U.S. Artillery, Officer of the Day. I am cognizant of the above fact. Gen. Jeff. C. Davis, U.S.A.
Published by Carleton E. Watkins. Watkins' Yosemite Art Gallery advertisement on verso.