the white line overlay with the 2 little red squares
at the ends
on the attached google earth satpic
is not a standard tripoint stretching diagram at all
this time
but it simply endeavors to mark the bwnazm & bwzmzw
tripoints
respectively
without regard to the outrageous google earth border
depictions
nor the much better borderbase pushpins
the former little red square
at left
is at the thalweg junction of the chobe & zambezi
rivers
best i can make it out
& the latter little red square
at right
is where the zambezi centerline is met by the bwzw
border that is visibly converging in the satpic from
the south
in this rendering the 2 tripoints are only about 150
meters apart
& the short white line between them thus represents
the entire bwzm border
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