

1972
One drawing with six photographs
Drawing, 22 x 28 inches
Aerial photograph, 19 x 22
5 installation views 8 x 10

1971
35mm photographs mounted on museum board
4 boards
17 x 22 inches (each board)

2000
Aluminum
19 1/2 x 24 x 31 inches

c. 1994
Museum board
4 1/2 x 11 1/2 x 9 1/2 inches

1990
Painted steel, wood covered with fiberglass, vegetation
15 feet diameter at base, 24 feet high, 20 feet overall width



1976
Reinforced concrete, cast in place, wood
Overall height 17 feet, 13 feet above grade, 4 feet below, exterior diameter 12 feet


1973
Wood, stone, earth
20 x 12 x 30 feet


1974
Concrete block chamber
2 x 6 x 4 feet
Covered with an earth mound, approximately 15 feet diameter