You must be quite a landscaper - you know your stuff!!
I just made it a point to read up on Mt. Rainier and the destruction it will one day rain down upon my head.
I live fairly close to it, so it seemed prudent to do a little research. Here's a very interesting article on things that have been and things to come:
http://www.seattleweekly.com/features/0542/051019_news_mountrainier.php