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	When a Billion Years Disappeared (PBS Eons) View
	A billion years of Earth history is MISSING in the Grand Canyon (Nine Worlds) View
	1.2 Billion Years of Rock is Missing; The Mystery of the Great Unconformity (GeologyHub) View
	There's a Giant Hole In Earth's History (Thoughty2) View
	A Billion Years Disappeared: What Happened in the Grand Canyon (BRIGHT SIDE) View
	Mystery of The Century: A Billion Years Missing From Geologic Record. What Happened (BROAD VIEW) View
	A Billion Years is Missing (DemystifySci Investigates) View
	Grand Canyon's Iconic Great Unconformity: 1.3 billion years of geologic time! (Shawn Willsey: Geology Explained) View
	Experts Have Just Revealed The Grand Canyon Is Missing Over A Billion Years Worth of Rocks (Unexplained Mysteries) View
	What Happened to EARTH'S Missing Billion Years (Uniqu Spotlight) View