August moose, I liked your opening intro:
So when I started detecting last year, I would have said you ask for permission to detect every time, just to be safe. Even in Parks and stuff, because by asking first, you can avoid trouble. Now that I've been at it a while, I absolutely see how there are some times you should ask (someone's front yard) and others that asking will only stir the pot (public Parks).....
Good observations in a year's time. Because you're right: It doesn't necessarily "avoid trouble". It sometimes ends in "no's", d/t the psychology of "no one cared TILL you asked" routine. And worse yet, that pencil pusher who gave you the "safe" answer (who perhaps would never have given the subject a moment's thought), will now boot other md'rs
As opposed to this stance:
It doesn't hurt to strike up a pleasant conversation with the guys who take care of public schools and parks.....
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Yes it most definately can. They can just give whimsical "no's", even though no rule exists that truly said such a thing. Just because they imagine geeks with shovels, or think you'll harm the earthworms. Or they think it constitutes "remove and harvest" verbage, etc.... And then later, you find out that that park or school is routinely detected, and no one ever had a problem before. Hmmmm.
...... Some cities, parks, counties, etc require permits.....
Ok, fine. But that still doesn't mean we should go ask "can I metal detect?". If someone is skittish that there a) might be a permit, or b) might be a "no md'ing" rule, then they can go look up in muni codes for themselves. Any such "permit" or "rule" will be listed in the city muni codes, rules, permits, etc.... If no such thing is there (ie.: no prohibitions or permits), then presto, it's not prohibited nor requires a permit.
august moose, I'll leave the churches and cemetaries to the others who've chimed in. But just wanted to add, that I group public schools into the "don't ask silly questions" category too. If others can go there to shoot hoops, jog the track, etc.... after hours, then I consider md'ing to be no more harmful or dangerous then that. Naturally be aware that md'ing has ... uh .... connotations. So you still use common sense and don't go begging for scrutiny at high traffic hours. Ie.: you don't waltz over beach blankets at archie conventions, etc....