REMOVE

1. albumen print
2. animal, mules
3. artifact, camera
4. North American; American
5. US, NV, Sioux Spring
6. 1868

WHAT

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

WHERE

1. North American; American (1)
2. US, NV, Sioux Spring (1)

WHO

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