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Catalog: The Early Grid and Chalk Line Paintings | ||||||
 Untitled (Chalkline Painting) 1970 |
 Chalk Line Painting 1970 |
 First Abstract Grid Painting 1970 |
 Grid Painting 1971 |
 Untitled (early grid painting) 1972 |
 String Painting 1973 |
 Four Triangles, Twelve Different Angles 1975 |