1922 Goddard aerial photograph of Powell Mound, viewed from the northwest. Collinsville Road is to the right and Cahokia Creek to the left.
Illinois State Museum archives, Goddard-Ramey Flight.
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1922 Goddard aerial photograph of Powell Mound, viewed from the northwest. Collinsville Road is to the right and Cahokia Creek to the left.
Illinois State Museum archives, Goddard-Ramey Flight.