| Duncan |
| 4500-2800 B.P. |
| Outline Representative of Shape and Size | Point Characteristics and Information |
| Size | Small to Medium |
| Shape | Triangular |
| Notch Type | Stemmed |
| Shoulder | Straight to upward angles |
| Shoulder Edge | Flared to weak |
| Stem | Straight |
| Base | Concaved |
| Comments |
| Stem may be bifurcated |
| Pictures | Distribution |
