REMOVE

1. Photographs
2. albumen print
3. animal, mules
4. US, CA, Death Valley

WHAT

1. albumen print (1)
2. animal, mules (1)
3. landscape, rocky (1)

WHERE

1. North American; American (1)
2. US, CA, Death Valley (1)

WHO

1. George Eastman House (1)
2. O'Sullivan, Timothy H. (1)

WHEN

1. 1871 (1)