REMOVE

1. landscape, hot spring
2. artifact, camera
3. albumen print
4. landscape, valley
5. North American; American
6. US, NV, Sioux Spring

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)