| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Excess spoil | Mining | Spoil in excess of that necessary to backfill and grade affected areas to the approximate original contour. The term may include box-cut spoil where it has been demonstrated for the duration of the mining operation, that the box-cut spoil is not needed to restore the approximate original contour. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
