Oklahoma, 1917...
Photographer's Caption
[Daily inspection of teeth and finger nails. Older pupils make the inspection under the direction of teacher who records results. This has been done every day this year. School #49, Comanche County.] Location: Lawton [vicinity], Oklahoma...
Source
National Child Labor Committee Lewis Hine photographer
Armor plate construction for a battleship turret at Bethlehem Steel, PA 1941.