Hand written note on the back of the photograph on far left (top left corner): "Echo Canyon, Utah, Taken from rear of Los Angeles [unreadable text] at sundown. June 17th 1906." Hand written note on the back of the photograph on the left side (bottom right corner): "Sand Butte's near Laramie [sic] Wyoming. Taken from train [unreadable text] June 18th 1906-" Hand written note on the back of the photograph on the right side (men at a camp site): "[unreadable text] (Eldorado-Nevada. M. and M.Co. June 1906-" Hand written note on the back of the photograph on far right side: "[unreadable text] ore on [unreadable text]