the park i'll be going into next week for a two week solo canoe trip had a search and rescue in the last few days.
from what I gather they were lost and overdue for four days.
they got turned around in the maze of lakes and creeks in the wilderness park.
http://www.twincities.com/2017/06/01/search-underway-for-overdue-group-in-boundary-waters/
the link gives the full story and I promise that this year i'll take the advice I got here on ETS and carry my PLB on my person at all times!