Trevor Snyder, project manager with the Operations and Maintenance Division, U.S. Army Corps of Engineers Los Angeles District, performs a walkthrough of abandoned campsites in the San Gabriel River with an Azusa Police Department officer Feb. 22 near Azusa, California. The Azusa Police Department and the Corps’ LA District worked in partnership to safely complete the riverbed cleanup project. (Photo by John Reese, U.S. Army Corps of Engineers Los Angeles District)