Original Levitated Mass

via Observatoire du Land Art, here are the original drawings by Michael Heizer for Levitated Mass from 1969.

Michael Heizer, Levitated Mass, 1969 (detail). © Volker-H. Schneider / Marzona

Michael Heizer, Levitated Mass, 1969.  © Volker-H. Schneider / Marzona

(Based on Paper – Die Sammlung Marzona. Revolution der Kunst 1960-1975,  p.154)