Acquired from the artist
The Estate of George Lester, Connecticut
New York, Marlene Eleini Gallery, Robert Smithson: Early Works, March-May 1988.
Oslo, The National Museum of Contemporary Art; Stockholm, Modern Museum and Ishoj, Arken Museum of Modern Art, Robert Smithson Retrospective: Works 1955-1973, February 1999-January 2000.
Los Angeles, Museum of Contemporary Art; Dallas Museum of Art and Whitney Museum of American Art, Robert Smithson, September 2004-October 2005.