Robert Smithson: List of works
- Alogon #3, 1967
- A Nonsite (Franklin, New Jersey), 1968
- Asphalt Rundown, 1969
- Dead Tree, 1969
- Glue Pour, 1969
- Mirror and Crushed Shells, 1969
- Spiral Jetty, 1970
- Mirrors and Shelly Sand, 1970
- Partially Buried Woodshed, 1970
- Broken Circle, 1971
- Spiral Hill, 1971
- Island of Coal, ?
- Mirror and Shell, ?