How to mine the side of the highway for platinum

By Michael Allan McCrae / October 26, 2016 / www.mining.com / Article Link

YouTuber CodyDon sweeps the side of a highway to recover platinum left behind from catalytic converters.

The filmaker came up with the idea after working with old catalytic converters.

"I notice that new catalytic converters have way more platinum than old ones."

See how much platinum he recovers.