Melissa, I've been reading your various posts on the subject of where you can, and can't, hunt. And I think you are making this WAY to complicated. Anyone can find "dire-sounding" boiler-plate verbage ANYWHERE they intend to go, if they want. Eg.: if you looked long enough and hard enough, you can probably find some rule or some official that would tell you that you can't even hunt modern sandboxes. At a certain point, you have to grow a set, and go. You are NOT going to get every last archie and gardener to "roll out the red carpets" for you.
You say:
I am learning so far no matter what if you are in a national park or national forest find the rangers office or someone of the right authority figure and get written permission.
Well, forget national "parks" for the moment. Instead, for NFS, you have been told here before already, that they are md'ing is NOT forbidden there. In fact, it has an express allowance:
http://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5261774.pdf
Heck, what more could you ask for ? Why why, oh why then, would you think you need to go get a ranger to give you "written permission" then ?? And think about it Melissa: asking any desk-bound bureaucrat to put their signature on some contract or paper you put in front of them, is the FASTEST way to get a "no" to anything. All that's going to do is conjure up some sort of legal hassles, risks, dangers, blah blah.
Next you say:
I'd rather ask first though than risk a huge fine and possibly my equipment taken.
If you can find us an example of someone who got a "huge fine" and "equipment taken" for md'ing on NFS land, I would LOVE to hear it. If you can find any such thing, it will no doubt be for someone night-sneaking obvious historic sensitive monuments, or someone who was being an obnoxious nuisance, etc...
So please, in order to stop the self-fulfilling cycle from continuing: Do NOT ask permission where it is not forbidden. Or start "scary threads" which lead other newbies to assume the same stuff. Which merely prompts them too, to run around asking permissions where it's not needed. Thus simply leading to more scrutiny of our hobby, more attention, more "scary stories" leading to more "no's", etc.... See how it just feeds on itself ?