On Fri, Jun 26, 2020 at 9:31 AM Bradley White <theangrytom...@gmail.com>
wrote:

> > We were doing great there, then I think my (admonishment?  might be too
> strong) way of expressing "owned and operated by the USFS" is technically,
> accurately stated as "owned by the People, managed / operated specifically
> by the USFS."  If you can agree with me there, I think we can get even
> closer.
>
> In most county assessor records, the name on the "title" of USFS owned
> land is "United States of America", "United States Forest Service", or
> some variant. The federal government owns the land, and manages the
> land resource as well as US citizens' legal right to access the land
> (barring conservation necessities that limit access to certain users
> or any public at all).
>
> > A USFS NF is a "virtual" multipolygon (not one in OSM, we can get to
> that later) of three kinds of things:
> >
> > 1) An "outer" (but not the biggest one) which is "the enclosing land
> which USFS manages, except for inholdings, below,"
> > 2) Zero to many "inner" polygons, representing inholdings (and with the
> usual "hole" semantic of exclusion from 1), above and
> > 3) An even LARGER and ENCLOSING of 1) "outer" which Congress declares is
> the geographic extent to which USFS may or might "have influence to someday
> manage."
>
> Sort of. Administratively, the USFS operates 9 regions containing 154
> "national forests", with each forest being subdivided by a number of
> ranger districts. The federal government also owns large swaths of
> land across the country. These parcels are then managed by whichever
> national forest (and ranger district) they happen to be located in.
> There isn't necessarily an "outer" way enclosing the land that the
> USFS manages, there is just a sum of US-owned parcels that fall within
> a certain NF boundary that represents the actual land managed by the
> USFS. In OSM practice, this is often a very complicated multipolygon
> with multiple 'outer' members, which is usually required in order to
> avoid self-intersecting rings.


If you really want to up the difficulty, the east slope of the Cascades
extending east quite some distance has checkerboards of alternating
sections that are National Forest and BLM range with the occasional private
property thrown in for maximum confusion.
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