Pictured! Beautiful Cache of approximately 58 Sidenotch arrowheads found in Eastern South Dakota.

Beautiful group of approximately 58 Sidenotch arrowheads found in a Cache in Eastern South Dakota by Harlan Olson. Largest is 1 1/8". From the collection of the late Harlan Olson. Published in Indian Artifact Magazine November 2013" Images in the Mirror by Harlan Olson (Figure 4) p.65.