Lot 31B: Robert Smithson (1938-1973) Double Nonsite, California and Nevada map, five painted steel boxes, lava from the Marl Mountains, California and obsidian from the cinder cone near Truman Springs, Nevada map: 31 3/8 x 31 in. (79.7 x 78.7 cm.) square box:

Robert Smithson (1938-1973)
Double Nonsite, California and Nevada
signed and dated 'Robert Smithson 68-69' (on the reverse of the Masonite backing of the map)
map, five painted steel boxes, lava from the Marl Mountains, California and obsidian from the cinder cone near Truman Springs, Nevada
map: 31 3/8 x 31 in. (79.7 x 78.7 cm.)
square box: 34 x 34 x 12 in. (86.4 x 86.4 x 30.5 cm.)
trapezoidal boxes: each 60 x 12 7/8 x 12 in. (152.4 x 32.7 x 30.5 cm.)
floor installation dimensions: 71 x 71 x 12 in. (180.3 x 180.3 x 30.5 cm.)
Executed in 1968-1969.

Dwan Gallery, New York
Private collection, Europe
Anon. sale; Christie's, New York, 3 June 1998, lot 43
Acquired at the above sale by the present owner