REMOVE

1. transportation, horse drawn …
2. Photographs
3. O'Sullivan, Timothy H.

WHAT

1. albumen print (3)
2. architecture, mining (1)
3. artifact, camera (1)
4. landscape, fault (1)
5. landscape, hot spring (1)
6. landscape, valley (1)
7. transportation, horse dra … (3)

WHERE

1. North American; American (3)
2. US, NV, Sioux Spring (1)
3. US, NV, Virginia City (1)
4. US, NV, Washoe (1)

WHO

1. George Eastman House (3)
2. O'Sullivan, Timothy H. (3)

WHEN

1. 1867 (2)
2. 1868 (1)