REMOVE

1. landscape, mountains
2. albumen print
3. Photographs
4. US, WY
5. O'Sullivan, Timothy H.
6. 1869

WHAT

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

WHERE

1. North American; American (1)
2. US, WY (1)

WHO

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