Federal authorities are being tight-lipped as they work to repair damage that occurred at the Bonneville Power Authority substation on Marks Ridge Drive Wednesday evening, Feb. 19. The Linn County Sheriff’s Office received a report of criminal mischief at the substation, at the corner of Marks Ridge and Jones drives, about 5:29 p.m. Wednesday, and reported that a Bonneville Power electrical transformer had apparently been shot at and a radiator appeared to have been damaged…