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 * Beschreibung: Artist's Reconstruction of Monk's Mound at Cahokia
 * Quelle: SMITHSONIAN INSTITUTION; BUREAU OF AMERICAN ETHNOLOGY BULLETIN 30, HANDBOOK OF AMERICAN INDIANS NORTH OF MEXICO, IN TWO PARTS, PART 1; EDITED BY FREDERICK WEBB HODGE; WASHINGTON, GOVERNMENT PRINTING OFFICE
 * Datum: 1907