Related Clues:
- Floodplain constructions
- Hydroelectric projects
- IJsselmeer sights
- Banks that are too important to fail?
- Beaver-made barriers
- Civil engineering projects
- Flood-preventing embankments
- Hydroelectricity projects
- Lake makers, at times
- Keeps from running
- James Gardiner and Bill Bennett constructions
- Beavers' prides
- Sources of some electricity
- Equine mothers
- Creators of reservoirs