One of Nevada City’s revered dining establishments, the Trolley Junction Restaurant, will shutter its doors at the end of February, its owner said Tuesday. “It wasn’t an easy decision to make for the family,” said Robyn Adams, owner of both the restaurant and the Northern Queen Inn hotel where it is housed. For 25 years, the Trolley Junction has offered hotel guests, seniors who live on the premises and visitors scenic dining and a forested Sierra Nevada foothill view of a natural waterfall from the restaurant’s windows. “My dad and my brother built all the buildings on the property,” …