World Trade Center Construction Site: The "Bathtub" or Foundation
Black porous-tip pen on dark ivory paper
Sheet: 23 5/8 x 18 in. (60 x 45.7 cm)
Inscribed at lower right in black porous-tip pen: "7/12/68"
Gift of the Richard Welling Family
Due to ongoing research, information about this object is subject to change.