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Cliffwall Barricade II 1979

Cliffwall Triptych (detail) 1979

Cliffwall Triptych (detail) 1979

Cliffwall Barricade III 1979

Cliffwall Panels I 1981

Cliffwall Panels II 1981

Cliffwall Transformation 1981

Cliffwall Pyramid V 1983

Cliffwall Pyramid/Corner 1983

Cliffwall Pyramid/Wall 1985

Cliffwall Pyramid III 1982

Cliffwall Pyramid III (ver. 2) 1983