Resident Don Braaten made his Discovery Channel debut Friday on “Gold Rush: Alaska” when he towed an excavator across the Steel Bridge to help aspiring Oregon miners reach their gold claim in the Porcupine mining district.

“It was fun,” Braaten said. “We had a good time. Of course, being on reality TV, it was kind of hammed up a little bit. The bridge crossing wasn’t really that big of a deal.”

The show launched with…