Simpson Point

The arrowheads exhibit a range of dimensions, with overall lengths spanning 45 to 135 mm, and averaging between 50 to 70 mm. The blade width varies from 24 to 40 mm, with a typical range of 30 to 35 mm. At the waist, the width ranges from 20 to 30 mm, while the basal width measures between 19 to 29 mm, averaging 24 to 26 mm. The basal concavity is observed to be between 3 to 10 mm, with an average of 5 mm. In terms of thickness, the arrowheads measure between 4 to 13 mm.