Sink Holes DSC00908 DSC00767 DSC00668 2-Storm-Water-is-directed-in-a-channel-right-the-the-edge-of-the-road 3-The-road-base-is-being-steadily-eroded-away Mottled-Condtion-of-Shelterwood DSC00909 Erosion-Problems-on-newly-Paved-Shepherd-Canyon-Road Pave-Subsidence-on-Shelterwood Escher-Sink-Hole Sink-hole-at-Shelterwood-and-SC Sink-hole-at-Shepherd-Canyon-Road-and-Shelterwood Trench-Subsidence-at-5959-Westover-Drive
