REMOVE

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

WHAT

1. albumen print (1)
2. landscape, figure in (1)
3. landscape, mountains (1)
4. landscape, valley (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. July-August, 1868 (1)