REMOVE

1. artifact, camera
2. landscape, valley
3. landscape, hot spring
4. US, NV, Sioux Spring
5. George Eastman House
6. O'Sullivan, Timothy H.

WHAT

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