REMOVE

1. people, at work
2. gelatin silver print
3. Photographs
4. North American; American
5. US, VA, Chatham

WHAT

1. animal, pigs (1)
2. gelatin silver print (1)
3. landscape, figure in (1)
4. people, at work (1)

WHERE

1. North American; American (1)
2. US, VA, Chatham (1)

WHO

1. George Eastman House (1)
2. Gowin, Emmet (1)

WHEN

1. 1970 (1)