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Also, I might consider an exit via the "B" Chain.

I can't help with current water levels, but if you go back thru the B chain, I would take the short little river portages into Oliphaunt and fish at each one for Smallies.
 
That portage from there to Fern isn't one to underestimate depending on how your back is doing?
 
Same with the one from Bisk to Pickerel.
Both felt MUCH longer to me when I went thru last year than listed. Well maintained though.