I have a Schonstedt surveyors metal detector ^^^ like this (tuned to NOT pick up poorly grounded non-ferrous metals so im told) from my buddy that is a certified land surveyor... He had five or six broken ones and had me repair the switches/pots/headphone sockets and I got to keep one working unit in exchange for my time...
My property is kidney bean shaped and has about 20 offset pins along the road frontage and a total of about 30 survey markers, it's a nice toy (the detector) to have fo sho...
I would LOVEEEEEEEEEEEEE to go for a walk in certain areas of that Folsom lake bed with GRADS and a good metal detector...
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