This post is a start to links and information that I want to keep track of related to glaciers on Mt. Rainier.
http://glaciers.us/glaciers-washington (image credit for figure in this post)
http://www.nps.gov/mora/learn/nature/glaciers.htm (and links within)
Some scientific publications:
For recent work by many colleagues on this topic see Geological Society of America 2017 session: