[Talk-ca] silly borders

[Michel Gilbert]

2009/3/30 James Ewen <ve6srv at gmail.com>

> On Mon, Mar 30, 2009 at 7:45 PM, Richard Weait <richard at weait.com> wrote:
>
> > We're good neighbo(u)rs.  We should fix our fence.  Shouldn't each
> > border be a single way, with a relation for each adjacent region?
> >
> > We should have a fence-mending party.
>
> So, now comes the interesting part... where do we find a definitive
> list of points that define the true border?
>
> In the west, the border follows the 49th parallel, but does it
> actually follow exactly along 49 north, or does it wander back and
> forth a little? Looking at the photos of the cutline, you can see that
> it doesn't follow a perfectly straight line.
>
> 49.9988 -114.0685 is where GeoBase puts the SE corner of BC... Should
> it be a little bit further north, or what?


I think that GeoBase Administrative boundaries data at the border include
the physical monument position. So it migth be pretty good. The monument
position have been determined by the International Boundary Commission.

Michel

>
>
> USGS 2001 County Boundary puts the corner of Glacier County at 49.0006
> -114.0694.
>
> A manually placed border sits at 49.9989 -114.0682.
>
> I'm thinking that the GeoBase version is going to be pretty close. The
> Tiger data has a reputation for not being super accurate on it's
> positions.
>
> James
> VE6SRV
>
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-- 
Michel Gilbert
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