REMOVE

1. Photographs
2. albumen print
3. landscape, river
4. landscape, mountain bluff
5. North American; American

WHAT

1. albumen print (1)
2. landscape, figure in (1)
3. landscape, mountain bluff (1)
4. landscape, river (1)

More 

WHERE

1. North American; American (1)
2. US, NV, Black Canon (1)

WHO

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

WHEN

1. 1871 (1)