REMOVE

1. landscape, waterfalls
2. Photographs
3. landscape, river
4. landscape, canyon
5. albumen print
6. US, ID, Snake River

WHAT

1. albumen print (1)
2. landscape, canyon (1)
3. landscape, river (1)
4. landscape, waterfalls (1)

WHERE

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

WHO

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

WHEN

1. 1874 (1)