REMOVE

1. Photographs
2. silver gelatin print
3. North American; American
4. 1921-08
5. First half of the twentieth …
6. 1949

WHAT

1. silver gelatin print (1)

WHERE

1. North American; American (1)

WHO

1. Cranes, derricks, etc. (1)
2. Louisiana State Museum (1)
3. Teunisson, John N. (1)

WHEN

1. 1900 (1)
2. First half of the twentie … (1)