REMOVE

1. albumen print
2. Photographs
3. landscape, figure in
4. landscape, rock formation
5. North American; American

WHAT

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

WHERE

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

WHO

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

WHEN

1. 1868 (1)
2. April, 1868 (1)