Robert Smithson. Spiral Jetty. 1969-70
black rock, salt crystal, and earth spiral, length 1,500' Great Salt Lake, Utah
"Financial backing provided by the prestigious Dwan Gallery to construct a piece of "land art." The concept is to use expanses of open areas as a canvas to take art out of the confining galleries and onto the open land."
Robert Smithson (1938B1973) draft writing about his earthwork Spiral Jetty, ca. 1970, describing the evolution of the piece. Robert Smithson and Nancy Holt Papers. Donated by Nancy Holt, 1986-1995.


Nancy Holt. Sun Tunnels, 1973-76 Lucin, Utah 
© Photograph by Laurence Belingard, 1999

Christo and Jean-Claude. Running Fence. 1972-76
nylon fence, height 18' length 24.5 miles
Sonoma and Marin Counties

Christo and Jean Claude, The Umbrellas, Japan and US 1984-1991
19'8" Tall Umbrellas
two inland
Two valleys, one 19 kilometers (12 miles) long in Japan,
and the other 29 kilometers (18 miles) long in the USA.
more facts