View of machine excavation with backhoe for septic tank, comfort station in background, Cable Mill Area, TennesseeGreat Smoky Mountains National ParkCompletion report photo. Work order No. B-52 GRSM. Machine excavation with backhoe for septic tank. Backhoe was also used to excavate for sewer lines and leaching field. Note: Comfort station in background.Cable Mill septic tank and leaching field; Reconstruction, II-U-Sewer-7150, Physical Facilities - Utilities - Sewer systems