Ice Abstraction (1973)
Icicle, Abstraction (1971)
Ice Abstraction (1977)
Pine Tree (1968)
Tree (1975)
Soap Suds (1977)
Rock Wall (1973)
Rock Wall Abstraction (ca. 1975)
Driftwood Abstraction, Alaska (1973)
Rock Abstraction (1970)
Rock Abstraction (1968)
Rock Abstractions (1981)
Rock Abstraction, Snow (1973)
Broken Window, Glass (1974)