Police are investigating a burglary on the City of Mauston’s south side.  The officer said a door of a storage building on Mile Bluff Medical Center property was pried open and copper water piping had been cut and removed from the basement.  Six reheat copper coils were also missing and one was found outside the building.  The stolen items were valued at 4-thousand dollars.  The damage to the door is estimated at 400-dollars.