Idaho Metal Detecting Clubs - On Lost Treasure Online©! The Gem State. GOLD ... are several tales of lost treasure in Idaho concerning caches buried for safety. ... Coin Hunting or 'Coin Shooting' as it's often called, is not only very fun to do, but it can easily be very profitable. Depth of detection is satisfactory for most targets with a searchcoil of this size. If you have more than one gallon bucket worth of material you can pay an additional fee or simply keep only the highest grade of opals to take home. Now when you are working in the wet sand, and you find a target, pinpoint it. If you can swing a metal detector, that is only the beginning, because proper technique is essential when the detector is being used in this manner. In some states it's harder to get permission because people can be very protective of what they own. Some of the land machines have very sophisticated electronics which tell the user what they have found before they dig the target.
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