wrote in message
...
On Thu, 25 Oct 2007 14:25:03 -0400, "BETA-32"
wrote:


This may well be a joke especially at 16' -- but it is not uncommon to
salvage mature trees 8' below finished grade by building a protective wall
around a tree. Like a very deep "pot bunker" you might see on a golf course.
I assume the walls are placed at the drip line. If you have 50 to 100+ year
old trees on a college campus, or public park they are irreplaceable and
thus extremely valuable. Hence the expense is well justified.