World Trade Center Construction Site: Hydraulic Machinery
Black porous-tip pen on dark ivory paper
Sheet: 18 x 23 5/8 in. (45.7 x 60 cm)
Gift of the Richard Welling Family
Inscribed at lower right in black porous-tip pen: "9/1/67"; verso: blind stamp in gray ink at lower right: "The Estate of RICHARD WELLING"
Due to ongoing research, information about this object is subject to change.