Six Mule Canyon Construction-Back Canyon Scenery Spline Subroadbed Install Scenery Base Cut Towels to fit Back Scene Plaster Back Scene Cellulose Clay Riverbed Cellulose Clay Back Scenery Clay Scenery Clay Tunnel Portal Clay Rock Cut-1 Rock Cut-2 Rock Cut-3 Rock Cut Filler-1 Rock Cut Filler-2 Color Wash Rock Cut Paint Clay Ground Cover-1 Ground Cover-2 Balllasting-1 Ballasting-2