dtiman421: M&C dunbar piers westward b Dec 18 2010
dtiman421: M&C Dunbar piers side view b Dec 18 2010
dtiman421: M&C Dunbar pier height perspective Dec 18 2010
dtiman421: M&C Dunbar piers east arch Dec 18 2010
dtiman421: M&C Roddy culvert south end Dec 18 2010
dtiman421: M&C Dunbar piers through arch Dec 18 2010
dtiman421: M&C pilcher tunnel east end inside March 12, 2011
dtiman421: M&C Pilcher tunnel east portal ceiling arch March 12, 2011
dtiman421: M&C Pilcher tunnel east portal March 12, 2011
dtiman421: M&C Dunbar piers eastward alignment March 12, 2011