About 120 people, many of whom wore “Don’t mine our water” buttons on their shirts, showed up to the Eric Rood Administrative Center Wednesday night to demonstrate opposition to the re-opening of the San Juan Ridge Mine, located near the town of North Bloomfield. Nevada County Planner Tod Herman, who officiated over the meeting, reminded those in attendance that the purpose of the public scoping session was to incorporate public commentary on what the environmental documents relating to the project should study. The county has contracted with PMC Consulting, based in Rancho Cordova, Calif., to produce a Draft Environmental Impact …