REMOVE

1. Photographs
2. albumen print
3. cityscape
4. US, NV, Gold Hill
5. O'Sullivan, Timothy H.
6. George Eastman House

WHAT

1. albumen print (2)
2. architecture, mining (2)
3. landscape, mountains (1)

WHERE

1. North American; American (2)
2. US, NV, Gold Hill (2)

WHO

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

WHEN

1. 1867 (2)