As the Nevada County Board of Supervisors approved a project despite the proposed structure poking above a ridge line, it simultaneously denied another project on an adjacent parcel because it also would protrude above the ridge line. The couple on the losing end of both decisions complains the county is acting unfairly. “We’re extremely surprised the supervisors would make that decision,” said Juliet Erickson, who along with her husband Peter Lockyer has been battling the county for about a year over plans to construct a 48-foot cellular tower near their property line. In November 2011, Lockyer and Erickson first learned …