REMOVE

1. Nitrate negatives
2. negative
3. Glassware.
4. Library of Congress Prints a …
5. Genthe%2C Arnold

WHAT

1. Photographs (1)
2. albumen print (1)
3. landscape, river (1)
4. landscape, rock wall (1)

WHERE

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

WHO

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

WHEN

1. 1868 (1)