one-person show, at the Galerie Heiner Friedrich, Munich in 1969, he removed 1,000 tons of earth in a conical shape to create Munich Depression. In 1977, he was included in documenta 6, Kassel. Major exhibitions of his work have been staged at institutions such as the Museum Folkwang, Essen (1979), the Museum of Contemporary Art, Los Angeles (1984), and Fondazione Prada, Milan (1996). Recent gallery exhibitions have been held at Gagosian Gallery. Selected solo exhibitions 1971 Michael Heizer: Photographic and Actual Work. Detroit Institute of Arts, Detroit 1979 Michael Heizer. Museum Folkwang, Essen. Travelled to Rijksmuseum Kroller-Muller, Otterlo, Netherlands. 1984 In Context: Michael Heizer: 45°, 90°, 180°/Geometric Extraction. Museum of Contemporary Art, Los Angeles 1985 45°, 90°, 180°: A Sculpture for Rice University. Farish Gallery, School of Architecture, Rice University, Houston 1985 Michael Heizer: Dragged Mass geometric. Whitney Museum of American Art, New York 1988 Michael Heizer: New Sculptures. Akira Ikeda Gallery, Tokyo 1996 Michael Heizer: Negative – Positive +. Fondazione Prada, Milan 2010 Michael Heizer: Works from the 1960s and 70s. David Zwirner, New York 2012 Michael Heizer: Actual Size. Los Angeles County Museum of Art, Los Angeles 2015 Michael Heizer: Altars. Gagosian Gallery, New York 2016 Michael Heizer. Whitney Museum of American Art, New York 2018 Le Bourget, Paris Selected group exhibitions 1966 The Annual Invitational Exhibition. Park Place Gallery, New York 1968 Earthworks Dwan Gallery, New York 1968 1968 Annual Exhibition: Contemporary American Sculpture. Whitney Museum of American Art, New York 1969 New Media: New Methods Montclair Art Museum, Montclair, NJ; Organised by Museum of Modern Art, New York. 1969 Op Losse Schroeven: Situaties en Cryptostructuren (Square pegs in round Holes). Stedelijk Museum, Amsterdam. Travelled to: Verborgene Strukturen. Museum Folkwang, Essen. 1969 Live in Your Head: When Attitudes Become Form. Kunsthalle Bern, Bern, Switzerland. Travelled to: Museum Haus Lange, Krefield, West Germany; Institute of Contemporary Arts, London. 1969 Land Art: Long, Flanagan, Oppenheim, Smithson, Boezem, Dibbets, De Maria, Heizer. Fernsehgalerie Gerry Schum, Berlin. Televised April 15, 1969. 1969 1969 Annual Exhibition: Contemporary American Painting. Whitney Museum of American Art, New York 1970 XXXV Esposizione internazionale d’arte di Venezia Venice 1970 Information. Museum of Modern Art, New York 1971 Sixth Guggenheim International Exhibition. Solomon R. Guggenheim Museum, New York 1971 VII Biennale. Parc Floral de Paris, Paris 1973 American Drawings 1963-73. Whitney Museum of American Art, New York 1976 Drawing Now. Museum of Modern Art 1977 Biennial Exhibition.