Heizer, Michael. Circular Surface Planar Displacement Etching, 1972. Gelatin silver print mounted on board, Sheet: 24 × 32in. (61 × 81.3 cm) Image: 24 × 32in. (61 × 81.3 cm) Mount (board): 24 × 32 × 1/16in. (61 × 81.3 × 0.2 cm). Whitney Museum of American Art, New York; gift of Steven Johnson and Walter Sudol, 2010.230. (Photo: Whitney Museum of American Art)