Go to
http://fwp.mt.gov/search/default.aspx?query=fishing+derbiesclick on "Final 2008-2009 Ice Fishing Derbies" its the second one from the top.
Opens into a PDF file and lists all the ice fishing derbies for Montana!
If you have trouble with the download or would rather have it emailed to you, drop me a message and I will email the list to you, its 3 pages.