REMOVE

1. landscape, river valley
2. albumen print
3. Photographs
4. US, WY
5. O'Sullivan, Timothy H.
6. George Eastman House

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)

WHEN

1. 1869 (1)