REMOVE

1. Photographs
2. landscape, waterfalls
3. albumen print
4. North American; American
5. US, ID, Snake River
6. O'Sullivan, Timothy H.

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)