1975 Press Photo Lifting a gate of collapsible levee at New Orleans Airport

The Ups and Downs of the Airport Levee: PLD crane hoists walls into place, bringing the collapsible levee into line with the permanent levee. The base of the collapsible structure starts about 1'8" below normal level of the 10-foot levee.

Photo is dated 1975.

Photo measures 10 x 6.5 inches.