BW91/16/2
                                "[Drawing showing] Upper end of North retaining wall of Beal Dam"
                            
                        
                            
                            Date
                                c1830
                            
                        
                            
                            Reference code
                                BW91/16/2
                            
                        
                            
                            Extent & medium
                                1 sheet
                            
                        
                    