Subject: Re: Strange section chit border
Date: Apr 11, 2004 @ 04:05
Author: acroorca2002 ("acroorca2002" <orc@...>)
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> I will reply without inserting. I think that the jumble belowprobably inhibits
> communication.true enough as i wasnt really looking for a closest thing anyway
> The closest thing to a manmade feature that marks theboundary within the Rio
> Grande channels is the manmade middle of the channels. Itwas the middle line
> that was geometrically specified in the treaty, and the channelwas constructed
> along the line with equal width on each side. Thus, themanmade feature that
> constitutes the boundary is something of an abstraction, ratherthan a tangible
> object.right
>illustrate
> The maps that are attached to and made part of the 1970 treaty
> typical cross sections of the various artificial channels to bebuilt. Each has
> sloped sides that go down from their margins to a flat bottomthat reaches
> across to the sloped side opposite. The channels aresymmetrical on either side
> of their center lines. The dimensions and the ratios of theslopes vary among
> the channels at different locations. There are no distinctthalwegs in the
> designs. Only banks are necessary to measure the middle ofthe channel, which
> is specified in the treaty as the boundary.McManus"
>
> Lowell G. McManus
> Leesville, Louisiana, USA
>
>
> ----- Original Message -----
> From: "acroorca2002" <orc@o...>
> To: <BoundaryPoint@yahoogroups.com>
> Sent: Saturday, April 10, 2004 3:22 PM
> Subject: [BoundaryPoint] Re: Strange section chit border
>
>
> > 4 insertions too
> >
> > --- In BoundaryPoint@yahoogroups.com, "Lowell G.
> > <mcmanus71496@m...> wrote:of
> > > See my four insertions below.
> > >
> > > Lowell G. McManus
> > > Leesville, Louisiana, USA
> > >
> > >
> > > ----- Original Message -----
> > > From: "acroorca2002" <orc@o...>
> > > To: <BoundaryPoint@yahoogroups.com>
> > > Sent: Saturday, April 10, 2004 8:56 AM
> > > Subject: [BoundaryPoint] Re: Strange section chit border
> > >
> > >
> > > > --- In BoundaryPoint@yahoogroups.com, "Lowell G.
> > McManus"
> > > > <mcmanus71496@m...> wrote:
> > > > > I, too, would love to know exactly how the Lateran Treaty
> > > > 1929 delimited theis
> > > > > boundary along and about the colonnade.
> > > > >
> > > > > The MXUS boundary in the Rio Grande's wild segments
> > thearc
> > > > natural middle of the
> > > > > river. In the several artificially rectified and channelized
> > > > segments, the
> > > > > boundary is delimited in the 1970 treaty as a series of
> > straight
> > > > lines and
> > > > > curved arcs, both geometrically described between
> > coordinate
> > > > points . The
> > > > > largest curve is upstream of Hidalgo/Reynosa. It is an
> > withan
> > > > a radius of
> > > > > 2,585.30 feet and length of 4,100.07 feet. Yes, this is
> > > > underwater boundary,of
> > > >
> > > > & yes this would be a manmade
> > > > f i g u r e
> > > > delineating a border
> > > >
> > > > just like the arcs of depa or dzly etc
> > > > except more wet than dry in this case
> > > > as you indicate
> > > >
> > > > however
> > > > i still dont see any manmade
> > > > f e a t u r e
> > > > there yet
> > > > or any feature at all to go with this figure
> > > > tho you did begin by speaking of artificial channels
> > > > as examples of manmade features
> > >
> > > The 1970 treaty promulgated the geometric specifications
> > the artificialthe
> > > channel rectifications to be undertaken, mandated the
> > construction of said
> > > channels at joint expense, and provided for transfers of
> > sovereignty (by IBWC
> > > minutes) upon completion of the works. This was all done.
> > Thus, certain
> > > stretches of the river and boundary were relocated into
> > manmade features
> > > composed of lines and arcs as specified in the treaty.
> >
> > right but no mention of any manmade feature along which
> > boundary runsany
> >
> > only a manmade feature within which it runs
> >
> > & thus all the difference in the world
> >
> >
> > > > moreover
> > > > what about the ongoing border adjustment regime you
> > > > described around the middle of message 12709
> > >
> > > You refer to the IBWC's periodic reviews of the river to map
> > naturalthe
> > > alterations to the middle of the main channel, which is the
> > treaty boundary.
> > > Nature constantly adjusts the boundary by its adjustment of
> > river. Theto
> > > IBWC, by its periodic reviews, is merely updating its maps
> > accommodate to thetime
> > > boundary, not adjusting the bounary to accommodate to the
> > river.
> >
> > nature changes the river & thus the boundary at the same
> >change
> > & the ibwc records & thereby confirms these changes
> >
> > i follow that
> >
> > but i guess i just dont understand why you say
> > adjusts
> > nor why you say
> > accommodate to
> > & what you mean by these terms
> >
> > nor do i suppose channelized sections are spared from
> >anyway
> > but both of these loose ends are probably just incidental
> >and
> >
> > > > does this not apply here also
> > >
> > > The straight and arced artificial channels were designed by
> > hydrologic engineers
> > > to minimize natural accretion and thus stabalize the river
> > its mid-channelby
> > > boundary. That having been said, the boundary is affected
> > whateveror
> > > fine-scale evolutions that might occur within the artificial
> > channels.
> >
> > exactly
> >
> > & none of the channelized rivers i have ever seen when low
> > dry were discernibly grooved or edged in the center eithersight
> >
> > for such a detail just wouldnt seem to be a necessary part of
> > normal dredging or construction specs
> >
> > but all i have seen were just flat bottomed ditches with
> > meandering trickles & no discernible center lines
> >
> > & i know that doesnt mean you cant possibly have a real
> > manmade boundary edge or groove here
> > but it certainly remains to be seen &or felt if you really do
> >
> >
> > > > still
> > > > whatever it is you are so affirmatively pointing to here
> > > > it must make a pretty even if completely different kind of
> > > > as well as an exemplar of an entirely different sort of rarityshown
> > > >
> > > > but can we see this or any other such mxus arc on a map
> > >
> > > Oh yes. All of the proposed channel rectifications are
> > on photo-mosaichave
> > > maps attached to and made a part of the 1970 treaty. I
> > them. Any map or
> > > aerial photo made since the completion of the works would
> > show the arced
> > > artificial channel. The largest artificial arc, which I have
> > previously
> > > described, can be seen as the quarter-circle just below the
> > center of the image
> > > at http://tinyurl.com/2r2wz .
> >
> > thanx
> > very nice
> > & clicking onto the topo shows how much they reshaped it
> > but i still cant imagine why or how anyone would mark its
> > centerline
> >
> > > End of my insertions.
> > >
> > > > end insertion
> > > >
> > > >
> > > > > not as readily accessible as the Vatican step.
> > > > >
> > > > > Lowell G. McManus
> > > > > Leesville, Louisiana, USA
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >