|   
                     
                     1790
                     
                    
                     
                     Pl. VIII. Plans, showing the position of
                     
                    
                     
                     Survey Book
                     
                    
                     
                     Pl. VIII. Plans, showing the position of
                     
                    | 
      
        |   
                     
                     1790
                     
                    
                     
                     Pl. IX. Plan of the triangles whereby th
                     
                    
                     
                     Survey Book
                     
                    
                     
                     Pl. IX. Plan of the triangles whereby th
                     
                    | 
      
        |   
                     
                     1790
                     
                    
                     
                     Pl. XI. For the improvement of the plan 
                     
                    
                     
                     Survey Book
                     
                    
                     
                     Pl. XI. For the improvement of the plan 
                     
                    |