1h 29 min
The Mystery of Gold with Wendell Barker Rock Talk by GeoWonks
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- Scienze
Wendell Barker is a veteran gold miner of over 40 years who grew up with a love for science passed down from his grandfather.
Wendell Barker is a veteran gold miner of over 40 years who grew up with a love for science passed down from his grandfather.
1h 29 min