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I emailed the city parks dept. and they quoted me the law and said there is no law against using a metal detector but I can't disturb the ground or anything.
Then later, you acknowlege that you shouldn't have asked. You are right, don't ask. Look it up for yourself, anywhere you come to, from now on (city laws/rules are usually on their website). If it doesn't specifically say "no metal detecting", then presto, it must not be dis-allowed, RIGHT?
Those things about "alterations" and "defacement" and "vandalism" type clauses are EVERYWHERE, in EVERY park in the USA, no matter whose jurisdiction or type. But think about it pspr: Every single such phrase or wording CLEARLY implies the END result, do they not? Eg.: if you leave the area exactly as you found it, then technically you have not alter
ed, defac
ed or vandaliz
ed anything, now have you?
You were simply a victim of the old "no one cares, till you ask" psychology. Just steer clear of busy-bodies (go at off-traffic times, don't be in the middle of retrievals when lookie-lous are watching, etc....) and odds are, no one cares. The trouble with asking, is you risk a "no", when there's no real rules, (nor would anyone have given the matter a passing thought, till you put your "pressing question" in front of the desbound bureaucrat). The risk then too, is ........ guess what's going to happen the next time that bureuacrat is driving by the park, and sees an md'r ? (whom he'd maybe have never noticed or given thought to before)? He'll remember the earlier inquiry, and start booting others! So let this be a lesson, to look things up for yourself from now on.