Area Code, 1970. Oil on canvas, with aluminized polyester film (Mylar). 9' 6" x 23' (289.6 x 702.3 cm) [114” x 276”], with two 9' 6" x 3' 1/2" (289.6 x 95.3 cm) Mylar end panels fixed at 90° to the painting. Walker Art Center, Minneapolis, Gift of the T.B. Walker Foundation, 1971 [71.8].

Artist studio registration # 70.02