REMOVE

1. albumen print
2. landscape, hot spring
3. Photographs
4. animal, mules

WHAT

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

WHEN

1. 1868 (1)