On Sat, 22 Aug 2015 11:47:31 -0500
dpb wrote:

And if that's the direction of a (valuable) obstacle one does what,
exactly???

can read about it in that scribners book

if you have limits on where you can fell it then you just may end up
having to lose some of the wood due to splitting because your only
choice is to fell it in the direction it leans (or opposite of lean)

but if you are really limited then you cut it down piece by piece just
like any urban tree trimmer would do