31-16-530m
| Analytic: | UPM Obsidian Sourcing |
| Object Type: | Tools and Equipment >> Knives, Blades, Saws Blade |
| Museum: | University of Pennsylvania Museum |
| Description (Modern): | Obsidian Blade |
| Material: | Inorganic Remains >> Stones and Minerals >> Stone >> Igneous >> Obsidian |
| Museum Number (UPM Date Reg Number): | 31-16-530m |
| Measurement (Length): | 26 |
| Measurement (Width): | 8.5 |
| Measurement (Thickness): | 2.5 |