Each image: 7.5 × 7.7 cm (3 × 3 1/16 in.); Card: 8.4 × 17.6 cm (3 5/16 × 6 15/16 in.)
Museum
Art Institute of Chicago
Location
Chicago, IL
Credit
Gift of Harold Allen
Text printed on reverse of stereocard:
ENTRANCE TO "ROCKY HALL." Looking from Main Cave. A few feet beyond "Standing Rocks" to the left of Main Cave is "Rocky Hall." It is reached by ascending a few steps on rocks piled up at the entrance.