Robert Smithson, Great Salt Lake Utah / Movie Treatment for Spiral Jetty.
New York, Dwan Gallery, 1970. Poster, offset lithograph on tan paper. 96.5 x 55.5 cm. Folded as issued in 8 parts. Announcement for Smithson's film screening at Dwan gallery, October 31 - November 25, 1970.
Features the storyboard for the film about his now famous land art sculpture, Spiral Jetty. Browning and creasing around folds. Small brown stains and two tiny rips (5 mm) along the vertical fold. Aged, yet remarkable item.