Ritual Place , 1970, Clay, sand, and wood, 13 x 29 x 29 cm, Private Collection.

Ritual Place , 1970, Clay, sand, and wood, 15 x 49.2 x 55 cm, Private Collection.

Ritual Place , 1970, Clay, sand, and wood, 15 x 49.2 x 55 cm, Private Collection.

People Who Live in a Circle 1972, clay, sand, and wood, Collection of the Museum of Modern Art, New York.

Labyrinth 1972, clay and wood, 24 ½” x 24 ½” x 11”, Collection Israel Museum.

Pyramid 1972, clay, sand, and wood, 38 x 51.7 x 64 cm, Private Collection.

People Who Live in a Spiral 1974, clay, sand, and wood, 30” in diameter,
Collection of Allen Memorial Art Museum, Oberlin, Ohio

Park Model / Fantasy 2, 1974, one of three parts, clay and wood, 6 x 20 x 30 in, Collection Walraf-Richartz Museum, Museum Koln.

Abandoned Observatory 1975, clay, sand, and wood, 30” x 30” x 9 ½”,
Collection Musee National d’Art moderne, Centre Georges Pompidou, Paris, France.

Park Model / Fantasy 2 1975, clay, sand, and wood, 6 x 20 x 30 in,
Collection Musee National d’Art moderne, Centre Georges Pompidou, Paris, France.

Love Factory 1976, clay, sand and wood, 30” x 30” x 7”, Private Collection, Bari, Italy.

Ritual Place, 1977, one of two parts, clay, sand, and wood, 30 x 30 x 6”, Collection Walker Art Center, Minneapolis, Minnesota.

Circles and Towers Growing 4, 1978, clay, sand and wood, 30 x 30 x 6”.

Circles and Towers Growing 5, 1978, clay, sand and wood, 30 x 30 x 8”.

Circles and Towers Growing 7, 1978, clay, sand and wood, 30 x 30 x 7”.

Circles and Towers Growing 9 Ritual Garden, 1978, clay, sand and wood, 30 x 30 x 9”. Private collection Bryn Mawr Pennsylvania

Circles and Towers Growing 10 Ritual Tower, 1978, clay, sand and wood, 30 x 30 x 11”. Private Collection, Paris

Circles and Towers Growing 10 Ritual Tower detail, 1978, clay, sand and wood, 30 x 30 x 11”. Private collection Paris

Circles and Towers Growing 11 Ritual Furnace, 1978, clay, sand and wood, 30 x 30 x 6”.
Collection Albright-Knox Art Gallery, Buffalo, New York.

Circles and Towers Growing 12 Ritual Furnace, 1978, clay, sand and wood, 30 x 30 x 12”.