State officials have rescheduled a hearing on a Kennebec River Management Plan that could result in the removal of two dams that prevent fish from swimming farther up the river than Waterville. The hearing, which was postponed by a February snowstorm, will be held Monday, March 15, at 3 p.m. “It will be held remotely using Microsoft Teams. Fisheries conservationists say the plan, if adopted, may be the best chance to prevent the extinction of Atlantic salmon in Maine rivers. The Department of Marine Resources is accepting written comments on the proposal until March 27.