Auburn residents living on the rim of the American River Canyon are expressing concern over a plan to build new campgrounds in the Auburn State Recreation Area. The campgrounds would be built along the American River in the Auburn State Recreation Area, near the city of Cool. In a public open house Tuesday, the California State Park and Recreation Department laid out its plans, which were met with fiery pushback by some residents.A The new campground is being planned near Knickerbocker Creek At the bottom of the American River just outside the city of Cool, the plans call for a campground complete with 50 campsites and around the clock access. A In addition to the campground, there are also plans to increase day use at the China Bar Trail just off Maidu Road in Auburn. State officials say plans need to be finalized and get final approval before construction can begin.A If approved, construction would start next year.