William Henry Jackson n.d. W.H. Jackson and Assistant loading equipment on their burro
Stereocard Larry Gottheim, Be-hold, Inc Courtesy of Larry Gottheim (Auction: March 13, 2008, 51, part 2 / lot 80)
The wood boxes are probably for photographic plates. 5" x 7" gold/pale blue stereo view mount with Hayden Survey and Jackson imprint, with negative number 838, "Packing" in period pen on verso.