Fig 1.
Triangular stone arrow tips (TSAT) (Blain Village, Ross County, Ohio, U.S.A.).
Fig 2.
Distribution of the archaeological TSAT sample (n = 742) and physiographic regions across Ohio, U.S.A.
This map was created in ArcGIS.
Fig 3.
An example of an experimental TSAT (specimen #33).
Fig 4.
Models of point cross-sectional area and penetration depth: Exponential decay model (a); Ordinary least squares fit of the logarithmically-transformed data (b).
Fig 5.
Histogram of point cross-sectional area.
Fig 6.
Box plot of point cross-sectional areas by geographic cluster.