Antiques Roadshow

Appraisal: 1970 Robert Smithson Spiral Jetty Plans

Clip: Season 21 Episode 11 | 4m 49s

Watch Betty Krulik's appraisal of 1970 Robert Smithson Spiral Jetty plans, in Salt Lake City Hour 2.

Aired: 04/10/17

Rating: TV-G

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