REMOVE

1. Photographs
2. albumen print
3. animal, mules
4. George Eastman House
5. O'Sullivan, Timothy H.

WHAT

1. albumen print (3)
2. animal, mules (3)
3. artifact, camera (1)
4. landscape, hot spring (1)

WHERE

1. North American; American (3)
2. US, CA, Death Valley (1)
3. US, NV (1)
4. US, NV, Sioux Spring (1)

WHO

1. George Eastman House (3)
2. O'Sullivan, Timothy H. (3)

WHEN

1. 1868 (2)
2. 1871 (1)
3. August, 1868 (1)