http://fwp.mt.gov/fishing/regulations/default.html

Mt 2006 Regs

Money Quotefirst sentence)
Beginning in 2004, bull trout fishing was permitted in four western district waters of Montana:
Hungry Horse Reservoir, South Fork Flathead River, Lake Koocanusa and Swan Lake. All
other waters in Montana are closed to intentional fishing for bull trout.

We all make mistakes when learnning a new fishery...would make a good article I would think...Ben should know better (either with the regs or with taking 'writers' fishing on his days off)