On Thu, 28 Oct 2004 22:11:41 +0000, peter wrote:

Are there resources on the web on how to prune a douglas fir tree (about
70 feet tall) to prevent wind damage?

What are the reasons for your concerns? Has the tree thrown branches or
does it have a lean? In general you really shouldn't worry much about the
tree and at 70 feet it sounds a little less than middle aged. One thing to
remember *not* to have done to the tree is to have it topped. This
will only create a problem tree that will throw branches. If you really
feel that the tree has isses with wind throw and wish to have it thinned,
then have it "windowed". This is when some of the branches are thinned out
of the tree as to let wind to pass through more easily. Other than that,
leave the tree well alone or have it completly removed (in my humble
opinion.)

--
Trees are like children, train them right when their young.....
or spend a lifetime trying to correct them.