Presented in this lot are three (3) Northern Plains Pre-Columbian Stone Tools including one double-notched stone axe head, one jadeite celt, one jadeite nutting / fire starter stone. Ground stone tools were made beginning in the Archaic period, through grinding two stones together and removing parts of the stone gradually until the desired shape was reached. All sorts of types of ground stone tools were made including axes, celts, hammerstones, plummets, sinkers, and more. These artifacts are in good preserved condition. The stone axe head measures 2.75"L x 2"W x 1"H, celt is 3.25"L x 2.75"W x 1.25"D, nutting stone is 2.75"L x 2.25"W x 1" (hole is .5"D). Total weight 1lb 4oz.*