| Title | Pitch |
| Caption | Pitch is boiling tar from a pine tree and is applied to canoes to make them water tight. |
| Source | http://www.d.umn.edu/cla/faculty/troufs/Buffalo/PB12.html |
| URL | http://www.d.umn.edu/cla/faculty/troufs/Buffalo/PB12.html |
| Type | photo |
| Origin | Internet |