Robert Smithson's earthwork, Spiral Jetty is located on the northern shores of Utah's Great Salt Lake. The Spiral Jetty Encyclo draws on Smithson's writings for encyclopaedic entries that bring to light the context of the earthwork and Smithson's many points of reference in creating it.

A twentieth-century master revealed the Great Salt Lake and a new way to think about art through a monumental rendition of one of nature's basic shapes