The distance for augering in each direction if the trench is located within this radius.
| Tree diameter (dbh) | Auger distance from face of tree |
|---|---|
| 0-2 inches | 1 foot |
| 3-4 inches | 2 feet |
| 5-9 inches | 5 feet |
| 10-14 inches | 10 feet |
| 15-19 inches | 12 feet |
| over 19 inches | 15 feet |