REMOVE

1. animal, mules
2. North American; American
3. George Eastman House

WHAT

1. Photographs (3)
2. albumen print (3)
3. animal, mules (3)
4. artifact, camera (1)
5. 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)