Undertakers of the Navigation of the Rivers Aire and Calder
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    BW91/5/1/2
                                Monthly reports on the works on the Aire and Calder Navigation
                            
                        
                            
                            Date
                                January 1819-January 1823
                            
                        
                            
                            Reference code
                                BW91/5/1/2
                            
                        
                            
                            Extent & medium
                                1 volume