REMOVE

1. Photographs
2. silver gelatin print
3. Building; Construction equip …
4. First half of the twentieth …
5. 1900
6. 1949

WHAT

1. silver gelatin print (1)

WHERE

1. North American; American (1)

WHO

1. Building; Construction eq … (1)
2. Louisiana State Museum (1)
3. Teunisson, John N. (1)

WHEN

1. First half of the twentie … (1)