REMOVE

1. gelatin silver print
2. Photographs
3. North American; American
4. National Gallery of Canada
5. 1915

WHAT

1. gelatin silver print (2)

WHERE

1. North American; American (2)
2. U.S.A.: Colorado, Sterlin … (1)
3. U.S.A.: New York, New Yor … (1)

WHO

1. Hine, Lewis W. (2)
2. National Gallery of Canad … (2)

WHEN

1. 1915, printed before 1940 (1)
2. 23 October 1915 (1)