I hunted a 25' x 50' spot in a large sports field, everything looks newer, thought I'd try for a gold ring. I ended up reverting back to my old habit of hunting the "squeaks". Really, really trashy here and lots of iron. I dug a Franklin half out of this spot last week and thought I'd give it another try. A couple wheats right away, then the large silver hit the first 20 minutes in. She came out black. So did a barb dime and merc. Ended up with 7 silvers and ring in 3 hours in this little spot. Probably the only place there was no fill.
Good luck all, amc
Good luck all, amc