Related Clues:

• Hungry Horse and Mossyrock
• TVA creations
• Flood stoppers
• Sustains
• Glen Canyon and Grand Coulee
• Firehouse vehicles
• Gives power to
• Fortifies
• Ramjets, e.g.
• Gas and coal
• Fan sites
• Some roarers
• Beaver structures
• Tanks up
• Power source