@@MK-rj8tq Yes this is a very old episode. I'm not sure what is portrayed in the "Discovery Channel Universe", but my understanding is that Arctic Sea hired Shawn to rebuild and run it. But in the real world, the Myrtle has hardly left the dock.
Use a magnetometer Where the gold is you won't have as much to grab onto if your meter because the gold is like lead your M won't be able to get the coils coming from the magnets pull of the earth cuz of the gold will be in the way