REMOVE

1. landscape, mountains
2. albumen print
3. landscape, lakes
4. North American; American
5. US, CO

WHAT

1. Photographs (1)
2. albumen print (1)
3. landscape, lakes (1)
4. landscape, mountains (1)

WHERE

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

WHO

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

WHEN

1. 1874 (1)