& while we are contemplating wandering monuments
as well as comparing jacks 1991 pic of arlatx
& the rest of his entirely earth moving book
which i hope everyone finds in our files section under parsell pdf
please take a look especially at jacks manhvt pic
there the listing of the rock is owing to no single tree but is
probably due entirely to frost heaving & the sloping ground it is in
& i can attest that its nose dive has even accelerated in more
recent times
one of the beauties of this particular pic is that while jack is
standing erect & visiting the dimple atop the monument with his
right index finger
class a as it were
he is also pointing with his right elbow for a simultaneous class
b visit to what is actually the most presumptive location of the
true but invisible manhvt tripoint itself
which was formerly but no longer truly is marked by that dimple
so i would say manhvt also is definitely worth a periodic revisit to
see if its 8 or 10 foot rock is still even embedded in the ground
because it appears to be just falling down a hill by comparison
--- In
BoundaryPoint@yahoogroups.com, "Lowell G. McManus"
<mcmanus71496@m...> wrote:
> Thanks for the photo.
>
> You are probably correct. I would not expect any bedrock at all
in this
> location--not within the range of tree roots anyway, much less
within the range
> of monuments.
>
> Lowell G. McManus
> Leesville, Louisiana, USA
>
>
> ----- Original Message -----
> From: "m donner" <maxivan82@h...>
> To: <BoundaryPoint@yahoogroups.com>
> Sent: Thursday, August 14, 2003 9:16 AM
> Subject: [BoundaryPoint] arlatx pic may 1997
>
>
> > given the unusually low stature above ground of the 48 inch
long stone post
> > pictured in the attachment
> > any significant upheaval of it by the tree seems unlikely to
have occurred
> > in the past
> >
> > & given its 10x10 inch girth
> > any cross fracture of it in the course of its displacement by
the tree also
> > seems implausible
> > tho admittedly not inconceivable
> > say if the base had been wedged in bedrock or between
larger rocks while the
> > upper part of the post rested in loam
> > etc
> > so i am guessing the entire post remains unbroken
> > despite the enormous & possibly even conflicting stresses it
is under
> >
> > by contrast
> > the familiar upheaval & cracking of paving slabs by trees
> > is i think owing to their comparatively broad thin crackerlike
shapes
> > & to their typically more friable materials as well
> > & i think especially to the fact that their displacements are
resisted only
> > by gravity & thin air
> >
> >
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