Col. Julie Balten, the second from right with a paint roller in hand, U.S. Army Corps of Engineers Los Angeles District commander, joins U.S. Rep. Ken Calvert (CA-42), center of frame and foreground, and Riverside County Second District Supervisor Karen Spiegel, right, to add the ceremonial finishing touches June 2 to the newly restored bicentennial mural on the Prado Dam spillway in Corona, California.