Listen to sound clips from the Sierra Camp. These sound clips have been verified by experts as authentic for over half of a century. The recordings were not manipulated and other studies have concluded they are almost certainly not human. 

Open the Hidden Clues Challenge here: Test Your Detective Skills (Quiz) – Book One: “Voices in the High Country”

Scroll to the bottom of this page for more details.

Press Play to listen to sound bites from the Sierra Camp: 

“Fast Talk” ((Track 23: Voices in the Wilderness))

Biggie is in the camp banging the toilet seat lid. 1974, Ron Morehead & Bill McDowell

Loud whooping calls. Ron Morehead & Bill McDowell interacting with Biggie 1974 *(same night as toilet seat interaction)

Open the Hidden Clues Challenge here: Test Your Detective Skills (Quiz)– Book One: “Voices in the High Country”

Remember to click ‘submit’ once complete. Use a valid email to receive the answer key and your free audio sample.

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