| colliery(noun, shaft, seam, coalfield) |
| dike(drain, ditch, channel, trench) |
| disinterring(noun, mine, quarry, digging) |
| dugout(noun, area, drain, ditch) |
| exhuming(noun, mine, quarry, digging) |
| gully(drain, ditch, channel, trench) |
| lode(noun, supply, reserve, deposit) |
| moat(drain, ditch, channel, trench) |
| scooping(noun, mine, quarry, digging) |
| shoveling(noun, mine, quarry, digging) |
| treasure trove(noun, expression, supply, reserve, deposit) |
| well(noun, supply, reserve, hole, hollow) |
| canal(drain, ditch, channel, trench) |
| drain(ditch, channel, trench, trough) |
| gutter(drain, ditch, channel, trench) |
| sink(noun, depression, impression, drain, dip) |
| vein(noun, supply, reserve, deposit) |
| waterway(drain, ditch, channel, trench) |
| abundance(noun, supply, reserve, deposit) |
| bed(noun, supply, reserve, deposit) |