dear david & emil
165 thanxx & more for this whole enormous contribution & advance
i am sincerely staggered by it
with very best wishes
m
about the quadripoint details for bwnazmzw
bw botswana
na namibia
zm zambia
zw zimbabwe
i am pretty sure the data in ian brownlies 5 theses of bwnazmzw in 1979
http://www.angelfire.com/md2olystate2/index.html
force
either
bwnazmzw itself the quadripoint
or
any of 4 different probabilities of bwnazm plus bwzmzw the close tripoints
& precludes the remaining possibility of bwnazw plus nazmzw
& almost as sure that the matter remains in precisely that ambiguous
condition despite a recent icj ruling in the neighborhood
& for the other possible quadri in lake chad
also pretty sure brownlie also indicates 2 fully negotiated tripoints
rather than a quadri specifically
cameroon chad nigeria
plus
chad niger nigeria
>
>
>>2- Up to now, the only quadruplet-point I knew of was the UT-AZ-NM-CO point
>> in the US - but: does anybody know the following quad-point:
>> Botswana-Namibia-Zambia-Zimbabwe near the town of Kasane not far from
>> the Victoria Falls...!? I could kick myself in a certain place for not
>> making any research when I visited Vic Falls 20 years ago...pity!
>> A nice map can be seen at: www.mms-spiess.ch/Bilder/Botswa1.jpg
>
>I have it in my notes that Namibia's "Caprivi Strip" ALMOST reaches a
>four-country point with Botswana, Zambia, and Zimbabwe.
>
>Clockwise around the possible quadpoint we have Namibia, Zambia, Zimbabwe,
>Botswana. So if Namibia neighbors Zimbabwe AND Zambia neighbors Botswana,
>that could only mean a quadpoint.
>
>However, the CIS WOrld Factbook
><http://www.odci.gov/cia/publications/factbook/wa.html#geo>
>http://www.odci.gov/cia/publications/factbook/wa.html#geo
>lists the land boundaries of Namibia and does NOT include Zimbabwe!
>
>checking Zimbabwe, same result, i.e., here, Namibia is not included:
><http://www.odci.gov/cia/publications/factbook/zi.html#geo>
>http://www.odci.gov/cia/publications/factbook/zi.html#geo
>
>checking Zambia, and, wow, BOTSWANA is NOT LISTED!
><http://www.odci.gov/cia/publications/factbook/za.html#geo>
>http://www.odci.gov/cia/publications/factbook/za.html#geo
>
>and for Botswana, ZAMBIA is not listed!
><http://www.odci.gov/cia/publications/factbook/bc.html#geo>
>http://www.odci.gov/cia/publications/factbook/bc.html#geo
>
>So, if CIA is correct here, then
>(a) the four countries must indeed meet at a point and
>(b) CIA does not count meeting-at-a-point as a boundary.
>
>(Or, there is a hole;
> or CIA is in error;
> or CIA is not telling all they know...)
>
>David
>
>
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