Viaduct, 1976, compressed charcoal on paper, 35" x 45"

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Pod Series #40, 1976, charcoal on paper, 30" x 22.25"

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Pod Series #2, 1971, charcoal on paper, 30" x 22.25"

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Viaduct, 1976, compressed charcoal on paper, 35" x 45"

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