REMOVE

1. architecture, mining
2. albumen print
3. Photographs
4. landscape, mountains

WHAT

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

WHERE

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

WHO

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

WHEN

1. 1867 (1)