REMOVE

1. artifact, camera
2. animal, mules
3. landscape, hot spring
4. albumen print
5. North American; American
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)