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This photo, taken May 2007, clearly shows the crater left by volcanic erruption, and surrounding iron-rich ash (red) overlaying cinder deposits (black).
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Tracy Bradford's conversations
The various distances of formation shadows create the impression of paper cutouts with the Arizona sun providing impetus.
This photo, taken May 2007, clearly shows the crater left by volcanic erruption, and surrounding iron-rich ash (red) overlaying cinder deposits (black).