"Dave Gower" writes in article dated Sun, 17 Oct 2004 11:00:24 -0400:
I dug down and things got even weirder. Every small branch just died out. As
far as I can find there is NO connection to any tree. Can a root become a
giant tumour?

Plants normally get carbon and energy from leaves. Were there any at all
sticking up?

I'd seal the pavement to prevent any further growth.

-- spud_demon -at- thundermaker.net
The above may not (yet) represent the opinions of my employer.