The region’s aquaculture association last week completed a $620,000 extension of two chum spawning channels located near the Porcupine Road in the upper valley.

The project was funded by a state Department of Commerce grant awarded in 2013 and secured by former state Rep. Bill Thomas of Haines, said Scott Wagner, operations manager for Northern Southeast Regional Aquaculture Association.

The work extends a channel at Herman Creek built in 1988 by about 600 feet, and…