REMOVE

1. albumen print
2. landscape, hot spring
3. Photographs
4. landscape, valley
5. North American; American

WHAT

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

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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)