These efforts are part of the on-going effort to re-open the camp grounds in the aftermath of a series of fires and floods which closed the grounds in 2002. The re-opening of the grounds is somewhat controversial since the main highway -- Highway 39 from Azusa, California -- has been closed long enough for the litter and graffiti that plagues these mountain canyons to degrade and virtually disappear (with considerable help from volunteers over the years.)
From the newswire: Crystal Lake Eagle Scout Project / Los Angeles by Fredric L. Rice