REMOVE

1. landscape, valley
2. albumen print
3. North American; American
4. US, NV, Camp Ruby
5. George Eastman House

WHAT

1. Photographs (1)
2. albumen print (1)
3. architecture (1)
4. landscape, valley (1)

WHERE

1. North American; American (1)
2. US, NV, Camp Ruby (1)

WHO

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

WHEN

1. 1868 (1)
2. July, 1868 (1)