Show I 1 indian mounds mound Arche archaeological archeological excavations of indian mounds have led to the conclusion that these mounds seem to have been designed for a variety of uses some of them were burial places others foundations for edifices while still others served as fortresses the most pretentious tent ious were used tor for sacrificial and other religious purposes in many of tile the tribes the custom obtained of collecting the bones of the dead cleaning them carefully and putting them in a common grave over which a mound was erected |