I have found two tiny 10K gold chains at two different public school grounds. Both came in bouncing between +4 and +5 at 3" or less depth and had an almost crackly sound like aluminum foil sometimes does. I actually thought they were small foil targets but dug them anyway!!!! Park 1, tone break 2 was 1 to 10 with no other custom audio settings on the 800.   Jeff
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