We'll use a signal I have tried and found far-reaching and easy to yell. Waa-hoo!
Quotes from The Last of the Plainsmen — Zane Grey
Attribution
Quotes and notes from Wikiquote: Zane Grey (page history), available under CC BY-SA 4.0.
Quotes and notes from Wikiquote: Zane Grey (page history), available under CC BY-SA 4.0.