18 
THE LARGEST MOUND IN THE UNITED STATES. 
size, and exact location, and Col. Foster, in his “ Pre-historic 
races of the United States” (p. 107), actually regrets that “it 
Fig. l 
Plan of Cahokia Mound in 1878. From model by Dr. Patrick. Scale 200 feet to an inch. 
has been swept away by the levelling influence of modern im¬ 
provement. 
