- Hearth site in Utah desert reveals human tobacco use 12300 years ago KSL.com
- Humans were using tobacco at least 12,000 years ago CNN
- Archaeologists Say They've Found the Earliest Evidence of Humans Using Tobacco Gizmodo
- Mammoths Roamed when Humans Started Using Tobacco at Least 12300 Years Ago Scientific American
- The earliest evidence of tobacco use dates to over 12,000 years ago Science News Magazine
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