REMOVE

1. landscape, mountain
2. Photographs
3. albumen print
4. landscape, river valley
5. O'Sullivan, Timothy H.

WHAT

1. albumen print (1)
2. landscape, mountain (1)
3. landscape, river valley (1)

WHERE

1. North American; American (1)
2. US, CA, Donner Summit (1)

WHO

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

WHEN

1. 1867 (1)