World Trade Center Construction Site: Crane Lifting the Coffer Dam
Black porous-tip pen on dark ivory paper
Sheet: 23 5/8 x 18 in. (60 x 45.7 cm)
Gift of the Richard Welling Family
Inscribed at lower left in black porous-tip pen: "50 TON / CRANE / 20 TON / COFFER DAM / 60' DIA / 14' HIGH"; at lower right in graphite: "7/21/67"
Due to ongoing research, information about this object is subject to change.