You might like Left Right 2. Wagon Train Warrington Colescott 1968 4. Cowboys and Indians Warrington Colescott 1968 6. Custard’s Last Stand Warrington Colescott 1968 Stone Circle Norman Stevens 1974 Circle E Gordon House 1971 #4 Richard Diebenkorn 1978 Works Past II Ivor Abrahams 1976 Levitated Mass Michael Heizer 1983 Square and Circle One Michael Kidner 1976, published 1982 Traces of a Circle Dóra Maurer 1974 Concorde II (State) Ellsworth Kelly 1981 [no title] George Ortman 1964