**Guilford axe**
Location: Yadkin-Pee Dee River valley, North Carolina.
Period: Middle Archaic (4000-3000 BC).
Material: metavolcanic rock.
Dimensions: length, 128.3 mm; width, 91.1 mm; thickness, 40.5 mm.
Notes: Uncataloged specimen donated by Herbert M. Doerschuk, North Carolina Archaeological Collection, Research Laboratories of Archaeology, University of North Carolina at Chapel Hill. Model by Steve Davis.