Subject: dizzy again
Date: Sep 22, 2000 @ 20:08
Author: michael donner (michael donner <m@...>)
Prev    Post in Topic    Next [All Posts]
Prev    Post in Time    Next


thank you arif for these soaring eagles eye views you have again given us

& i will return with great delight to these several fantastic new topics

but first i must regain my composure & answer you

>Oops, meant to ask something but forgot. Exactly
>where is the two legs of DENJ arcs and the leg of DEMD
>arcs. Obviosuly, I know of the DEPA arc and I have
>found that it continues onto DENJ border past the
>tripoint. This could be one leg, I guess, but I have
>not found any other.

correct
& technically this leg does simply continue the established depa arc here
beyond the denjpa tripoint

so this first denj arc segment is a new leg only in the sense that it has a
different geographical function

but the other denj arc segment
zoomable at
http://www.topozone.com/map.asp?lat=39.4886&lon=-75.5427&s=100&size=s
or with a longer but worthwhile wait at &s=25&size=l
actually involves a separate sweep of the compass

neither denj segment was demarcated until after the supreme court decision
of 1934

the disconnected one seems a bit ragged on the topo here & falls far short
of the 12 mile radius by my measurement yet it is still unmistakable as a
surviving segment of the original 1682 enfeoffment by the duke of york to
william penn of the 12 mile circle around new castle

the surviving demd segment of this circle is due west of new castle & was
laid out by mason & dixon themselves along with the original depa arc just
before going on to greater glory in mdpa all in the 1760s
& a really good & complete view of it can be had after a long wait
between mileposts 82 & 84 at
http://www.topozone.com/map.asp?lat=39.6587&lon=-75.8027&s=25&size=l

btw the key to all the exotic monuments named on both maps is again at that
wonderful clickable http://gis.smith.udel.edu/dgs/boundaryMap.html

& then you may also wish to add to these 4 fairly evident segments the fact
that the predominant & seemingly original depa arc itself is actually not a
single arc but a chain of probably 3 or 4 slightly different tangent arcs
laid out at different times & even with slightly different center points
owing mainly to the subsequent boundary changes already mentioned in part
by the randy & me

so i have been thinking there might actually be as many as 7 distinct
segments of the arc extant today
for a perfectly rainbow effect

>Secondly, we all know of the jog in the CT-MA border.
>Is there any other international or state border where
>the same line continues as a border on both sides of a
>jog.
>Arif

here again a perfectly wonderful new question

& i think you specifically mean here jogs created after the original
boundaries rather than the simple jogs that occur routinely in the original
survey lines

for which type i cant think of a single other really satisfying example
tho a technical one occurs at fort smith arkansas
as incorrectly shown at
http://www.topozone.com/map.aso?lat=35.3855&lon=-94.4206&s=50&size=m

incorrect since the 1905 act creating the jog begins at a point on the
south bank of the arkansas marked in red where the arkansas west boundary
formerly crossed it rather than in the middle of the river as shown

so i think it does barely meet the terms of your question

curiously denj also comes close to filling or does technically fill the
bill too

m