Portage Description:
The previous description looks like the bushwhack put you in Quetico. If you left a SW bay and not the SE bay. The DNR aerial photo shows the three parallel lakes north of Little Knife (in Quetico). http://noah.dnr.state.mn.us/forestry/photos/jpegs/lak/y1998/w600/lak21003.jpg

Lake after portage: Little Knife
Known campsites: not sure
Lake Description:
Three unknown lakes are Quetico, Little Knife is BWCA

Portage from Little Knife into: