Robert Smithson, American, 1938–1973
Map of Broken Clear Glass (Atlantis), 1969
Collage, Photostat, map, and graphite on paper
42.5 x 35.6 cm. (16 3/4 x 14 in.)
Dia Art Foundation, gift of Nancy Holt

http://artmuseum.princeton.edu/njns/objects/85187/2185099