Season 4 - Gold Rush: Dave Turin's Lost Mine

Dave and team assemble in Idaho to prospect two claims in that state. Dave and geologist Aryn Rowe travel to the remote Warren Meadows mining claim while the rest of the team drives the new mobile wash plant "The Beetle" to a claim at Mores Creek in the Boise Basin. After more disappointments, Team Turin rallies and decides to gamble on the unknown as they head to Big Sky Country, the state of Montana.