Thanks Digger27, this was the kind of info I was looking for!
You're very welcome.
Basketball courts are the highest percentage sites I have hunted out of everything I listed to find gold, but I have dug stellar finds at all of them.
Here us a small patch of grass between 2 small courts I hunted and where I realized what these perimeters could hold because I found 3 gold rings there on 2 consecutive hunts.
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The one on top I kept, had resized and still wear it today.
Here is a pic I made up a few years ago of some of my best finds from 9 of these courts...I continue to look for and hunt these things wherever I find them and have found even more.
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Here is one of my favorites, a channel white gold 14k wedding band with 9 diamonds...
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Those parking lot dividers....also a lucky break when I discovers what these things could have buried in them.
Now I target them anywhere I see them in public sites but highschool and college parking lots are the best.
Here us a ring I found in one of these that is not marked and I still have not tested but I suspect a very old heirloom ring.
Check it out....that soft buttery look of 22-24k gold and that pearl is not cultured but the only natural pearl I have ever seen in real life.
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Also areas you might not think about can yield coins and jewelry.
Here is a pic of 2 class rings from the same school that are 2 different sizes but otherwise exactly the same.
The 73 was found in an innocuous small open field behind a cinder block bathroom building on the edge of a parking lot near picnic areas and a tot lot.
Didn't think anything was going on here but after taking a run through I found coins and a few things that indicated this was used by both girl and boy scouts.
The class ring was probably owned by a scoutmaster.
A few months later in a completely different park next to a picnic pavilion I found the 72.
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Don't forget tot lots in any park if you come across some that don't have those hated rubber mats that cities seem to like nowadays.
Chips, sand and pebbles are easy to locate targets and dig in, shredded tire sites might have a lot of little bits of those steel belts which make it a little frustrating but still worth trying.