Related Clues:

• Niagara ambience
• Geyser's emission
• Atomizer squirt
• Power for Fulton
• Propellent for Casey Jones
• Iron horse power
• Aerosol spray
• Make furious
• Get really upset
• ''Gorillas in the ___''
• Visibility obstacle
• Emit smoke
• Light fog
• Cloud around Niagara Falls
• Unseen power