“It’s essentially the perfect trout habitat,” said Adam Kautza, the cold water fisheries project leader for MassWildlife, who had done extensive studies of the Swift River. “There are 1,300 wild trout streams in Massachusetts, and you see things at the Swift you don’t see anywhere else. We have stretches with several thousand wild brook trout per mile, and they’re huge. Anywhere else, they max out at 7-8 inches. On the Swift, we find brook trout up to 22 inches, and loads are in the 12-18 inch range.”
LINK (via The Boston Globe)
“….!” said Mr Castwell.
“Yes,” said his keeper.”
That old nymph-fishing pioneer of a British Angling Great, G.E.M. Skues, knew….
https://sportingclassicsdaily.com/mr-theodore-castwell/