I posted a few links tonight above you might find interesting.
Subsiding;:
Madison
http://www.uusatrg.utah.edu/TS_YSRP/p711.html
Norris Junction
http://www.uusatrg.utah.edu/TS_YSRP/nrwy.html
Elevating station within 35 miles or closer.
Old Faithful
http://www.uusatrg.utah.edu/TS_YSRP/ofw2.html
Hayden Valley
http://www.uusatrg.utah.edu/TS_YSRP/hvwy.html
YNP Canyon
http://www.uusatrg.utah.edu/TS_YSRP/p716.html
Darn when the swarm was going on I wish I would have had this information on hand...lol