Untitled, 1975.
Graphite and solar burn on paper,
17 x 17 in.

Untitled, 1991.
Acrylic and solar burn on layered pigmented paper,
36 x 36 in.

Each Moment as Is, 1974.
Solar burn on paper,
48 x 48 in.

Conductive/Now #1, 2007.
Solar burn on pigmented paper,
48 x 48 in.

Tajo, 1982.
Acrylic paint and solar burn on paper,
60 x 70 in.

Arcturus, 1989.
Solar burn on pigmented paper,
48 x 60 in.

Antares, 1989.
Solar burn on pigmented paper,
48 x 60 in.

A New Freedom, 1991.
Solar burn on layered pigmented paper,
60 x 72 in.

A Life, 1985.
Solar burn and pastel on pigmented paper,
60 x 72 in.

Perfect Shape, 1990.
Solar burn on paper,
36 x 36 in.

Opening, 1990.
Solar burn on paper,
36 x 36 in.

Ineffable #2, 1983.
Solar burn on paper,
72 x 60 in.
Triptych (2/3)

Ineffable #1, 1983.
Solar burn on paper,
72 x 60 in.
Triptych (1/3)

Between the Natural and the Constructed, 1993.
Solar burn on layered pigmented paper,
60 x 60 in.

Untitled (Multiplicity of Centers), 2012.
Solar burn on layered paper,
22 x 22 in.

Colored Rust #26, 2014.
Solar burn on rusted and pigmented paper,
22 x 22 in.

Blue 9, 2015.
Solar burn on pigmented paper,
22 x 22 in.

Blue 56, 2016.
Solar burn on pigmented paper,
36 x 36 in.

Rust with Color #14, 2014.
Solar burn on rusted and pigmented paper,
48 x48 in.