REMOVE

1. Photographs
2. albumen print
3. landscape, river valley
4. landscape, mountains
5. 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)