Robert Smithson 1,000 Tons of Asphalt, 1969
Ink, pencil and crayon
Paper: 17 3/4 x 23 7/8 in. (45.1 x 60.6 cm)
Frame: 26 1/8 x 31 5/8 x 1 5/8 in. (66.5 x 80.3 x 4 cm)
Frame: 26 1/8 x 31 5/8 x 1 5/8 in. (66.5 x 80.3 x 4 cm)
(24220/M)