| Answer | Crossword Clue |
|---|---|
| waterways | A river, canal, or other route for travel by water |
| locks | A short confined section of a canal or other waterway in which the water level can be changed by the use of gates and sluices, used for raising and lowering vessels between two gates |
| watershed | An area or region drained by a river, river system, or other body of water |
| watersheds | An area or region drained by a river, river system, or other body of water |
| dredging | Clean out the bed of (a harbor, river, or other area of water) by scooping out mud, weeds, and rubbish with a dredge |
| dredges | Clean out the bed of (a harbor, river, or other area of water) by scooping out mud, weeds, and rubbish with a dredge |
