Ten days isn't enough to see and climb all that is between SFO and PDX... need at least a full month ;)
Wish I didn't have so many commitments... I'd be there for sure...
2000 - I was working as a nurse and the window guys on the outside of the hospital building were going up too, not just down. My nurse Manager had to insist I get my head back inside and get back to work.
Didn't try it until much later, probably 2009.
Progression looked...
A job back in 1991 I told a homeowner it would be $900 if they cleaned up the dog crap before I got there and $1800 if they left it... they left it :(
It did take a bit longer, but I held them to the $1800 for the time it took to deadwood their trees.
At the 49th ISA Penn-DE Chapter Shade Tree Symposium there was an interesting talk By Dr Ed Gilman:
10– 11am Reduction Cuts or Removal Cuts: Does It Really Matter?
Ed Gilman, Ph.D., Professor of Environmental Horticulture, University of Florida
He showed through studies that a trees response...
Here's one, also from another continent. Our house guests last week (they are from Switzerland) have been driving a LandRover the world over for the past four years... they showed me this one from their 'other-continent' travels.