1859-1863  Jacob Walton & Co.  1864-1871  John P. Walton & Co.
                     
                
                
                            
                    Publications (2)
                
                
                    
                                                        - Fairbairn, R.A.; NMRS (1993); British Mining 47 - Mines of Alston Moor, The; ISBN  0901450 40 5; pp.127,133-136.
 
                                                                - Wallace, William (1861); Deposition of Lead Ore In Veins; Alston Moor; 331 pages
 
                                                        
                
                
                            
                
                
                        
            
                
                
                
            
                            
                
                
                    
                    
                    
                        
                                                            
Dorthgill Level - 332m 
                                                            
Petergill Level - 358m 
                                                            
Cellar Level - 384m 
                                                            
Tyne Head - 554m 
                                                            
Windy Brae Low Level - 562m 
                                                            
Sir John's - 585m 
                                                            
Sir John's Middle Level - 631m 
                                                            
Ashgill - Level - 681m 
                                                            
Clargill Force - 709m 
                                                            
Sir John's High Level - 907m 
                                                            
Lee House Well - 1,010m 
                                                            
Lee House Well High Level - 1,011m 
                                                            
Lea House Well Low Level - 1,033m 
                                                            
Hole Pasture Level - 1,068m 
                                                            
Copper Slitts Level - 1,101m 
                                                            
Windy Brae - 1,123m 
                                                            
Level - 1,193m 
                                                            
Tyne Head Smelt Mill - 1,249m 
                                                            
Stow Crag Mine - 1,344m 
                                                            
Clargillhead - 1,553m 
                                                            
Josh's Hush - 1,632m 
                                                            
Level - 1,674m 
                                                            
Howgill Syke - Shafts - 1,711m 
                                                            
Cash Burn - Tyne Level - 1,764m 
                                                            
Clargillhead Hush & Opencut - 1,767m 
                                                            
Allen's Cleugh Low Level - 1,769m 
                                                            
Atkins Level - 1,790m 
                                                            
Ashgill Field - 1,795m 
                                                            
Clargillburn - 1,828m 
                                                            
Calvert Level - 1,932m 
                                                            
Cross Gill - Shaft - 1,964m 
                                                            
Calvert - Broad Mea Level - 1,989m