REMOVE

1. landscape, river
2. Photographs
3. albumen print
4. landscape, canyon walls
5. North American; American
6. O'Sullivan, Timothy H.

WHAT

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

WHERE

1. North American; American (1)
2. US, NV, Black Canon (1)

WHO

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

WHEN

1. 1871 (1)