REMOVE

1. Photographs
2. landscape, river
3. albumen print
4. North American; American
5. US, AZ, Grand Canyon

WHAT

1. albumen print (1)
2. landscape, river (1)
3. landscape, rock formation (1)

WHERE

1. North American; American (1)
2. US, AZ, Grand Canyon (1)

WHO

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

WHEN

1. 1871 (1)