Robert Smithson
Earth Map (White Limestone) of the Hypothetical Ice Cap of Gondwanaland Made Near Uxmal
Yucatan, April 1969, Hypothetical Continent (Icecap of Gondwanaland), Yucatan, Mexico, 1969
Pencil and cut-and-pasted printed paper on graph paper and original 126 format transparency
24.4 x 37.1 cm
Robert Smithson
Movie Treatment for Spiral Jetty. Part II, 1970
Pencil and collage on paper, typed and handwritten text.
48 x 61 cm