REMOVE

1. people, at work
2. landscape, camp
3. landscape, river
4. landscape, waterfalls
5. George Eastman House

WHAT

1. Photographs (1)
2. albumen print (1)
3. landscape, camp (1)
4. landscape, river (1)
5. landscape, waterfalls (1)

WHERE

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

WHO

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

WHEN

1. 1868 (1)
2. September, 1868 (1)