The details slice the image into vertical halves for easier reading.
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Source: "Action Comics" #411, 1972
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Sources: "Action Comics" #336 and "Superman" #202
The scans on Comic Book Cartography come from vintage comics because we love dots as much as we love diagrams. We love the cheap old four color process – which was simultaneously the barrier we struggled to see past and the space where every comic book frame opened up into infinity.
The four color process is the white noise of comics, full of hidden messages, revealing pocket universes.
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Source: Originally from "Fantastic Four" #13, 1963. Scanned from "Marvel Collectors' Item Classics" #7, 1967