REMOVE

1. landscape, rock
2. landscape, mountains
3. albumen print
4. US, NV
5. North American; American

WHAT

1. Photographs (1)
2. albumen print (1)
3. animal, mules (1)
4. landscape, mountains (1)
5. landscape, rock (1)

WHERE

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

WHO

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

WHEN

1. 1868 (1)
2. August, 1868 (1)