On Thu, 20 Aug 2009 07:55:55 GMT, Owen Duffy wrote:

Perhaps cutting the tree into
smaller lengths that are lowered to the ground on ropes to guide and slow
the descent? I have watched tree climbers take huge trees down, lowering
all the pieces in a very limited space against the trunk.

Here in the Pacific Northwest, tree country, I have never seen any
other way except for when trees are layed over indiscriminately as
part of a clearing operation.

73's
Richard Clark, KB7QHC