These boulders formed a continuous mantle along the east escarpment of the mound .
The features of initial interest in this mound were the stone boulders , which varied from 2 - 75 pounds .
These boulders formed a continuous mantle along the east escarpment of the mound .
The features of initial interest in this mound were the stone boulders , which varied from 2 - 75 pounds .