31.1 x 31.1 x 18.4 cm. (12.2 x 12.2 x 7.2 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...

The large earthwork—consisting of more than 6,000 tons of black basalt arranged in a coiling, 1,500ft-long and 15ft-wide form—was donated to Dia in 1999 through Smithson’s estate and his ...

Robert Smithson’s iconic earthwork Spiral Jetty has been added to the National Park Service’s Register of Historic Places. Regarded as one of the most significant land art works in the world ...

Robert Smithson’s groundbreaking land artwork ... It is already Utah’s official state work of Land Art. Smithson died in 1973 while doing an aerial survey of the site of Amarillo Ramp in ...

One of Utah’s largest and best-known works of art has received a new national recognition — thanks to a Utah State University graduate student’s thesis project. Robert Smithson’s Spiral ...