These levels worked the Holyfield Old Vein and the Holyfield Sun (Quaker) Vein, situated in the same area as Nattrass and Farnberry.
                     
                
                
                            
                
                    
                    
                        1848-1858  Working  1859-1862  Robert Walton & Co.  1863-1871  J. Dawson & Co.  1872-1876  D.G. Griffith & Co.  1877   Josh. Byers & Jacob Walton  1878   Holyfield Mining Co.  1879   Walton Bros.  1880-1890  Holyfield Mining Co.
                     
                
                
                            
                    External Links
                
                
                
                            
                    Publications (6)
                
                
                    
                                                        - Fairbairn, R.A.; NMRS (1993); British Mining 47 - Mines of Alston Moor, The; ISBN  0901450 40 5; pp.24,29-30,98,100,102-106.
 
                                                                - Holyfield Sun Vein; 1 pages
 
                                                                    - NMRS; British Mining 19 - Memoirs 1980-1982; pp.20-26.
 
                                                        - NMRS; British Mining 78 - Memoirs 2005; pp.139.
 
                                                        - NMRS; Memoirs 1969; pp.48.
 
                                                                - Sopwith, T (1893); Mining Districts of Alston Moor, Weardale & Teesdale, An Account of The; 207 pages
 
                                                        
                
                
                            
                
                
                        
            
                
                
                
            
                            
                
                
                    
                    
                    
                        
                                                            
Farnberry - 42m 
                                                            
Bentyfield - 45m 
                                                            
Sun Vein Level - 58m 
                                                            
Holyfield High Level - 288m 
                                                            
Nattrass Level - 291m 
                                                            
Nattrass North Vein - 331m 
                                                            
Farnberry Quarry - 455m 
                                                            
Flow Edge - 628m 
                                                            
Guttergill West End - 649m 
                                                            
Farnberry - High Coal Sills Level - 807m 
                                                            
Bayle Hill - 809m 
                                                            
Redgroves Hush - 812m 
                                                            
Dowpot Syke Level - 845m 
                                                            
Dowpot Syke Low Level - 886m 
                                                            
Flow Edge Sun Vein - 909m 
                                                            
Slate Sills Level - 956m 
                                                            
Flow Edge Drift - 1,009m 
                                                            
Guttergill Level - 1,042m 
                                                            
Guttergill East End - 1,048m 
                                                            
Fair Hill - 1,054m 
                                                            
Guttergill - 1,055m 
                                                            
High Skelgill Level - 1,169m 
                                                            
Firestone Level - 1,266m 
                                                            
Nattrass Gill - 1,271m 
                                                            
Crag Green North Vein Level - 1,282m 
                                                            
Crag Green - North Vein Level - 1,285m 
                                                            
Battle Green - 1,295m 
                                                            
Slate Sill Level - 1,364m 
                                                            
Park Mine - 1,433m 
                                                            
Low Nest - 1,530m 
                                                            
Black Syke - 1,536m 
                                                            
Cow Gap - 1,557m 
                                                            
Low Cowgap - 1,566m 
                                                            
Whitewell Level - 1,571m 
                                                            
High Nest - 1,585m 
                                                            
Hudgill Burn Mine - Coal Pit Level - 1,631m 
                                                            
Black Syke - Level - 1,673m 
                                                            
Hudgill Burn Mine - Firestone Level - 1,720m 
                                                            
Hudgill Burn Mine - Level - 1,723m 
                                                            
Crag Green - Crag Quarry Hazle Level - 1,815m 
                                                            
Crag Green Level - 1,891m 
                                                            
Black Syke - 1,910m 
                                                            
Fletcheras Rake - 1,933m 
                                                            
Black Syke - Level - 1,948m 
                                                            
Hudgill Burn Level - 1,991m