     All Minerals Industries                                
10   Metal mining                                           
101   Iron ores                                             
102   Copper ores                                           
103   Lead and zinc ores                                    
104   Gold and silver ores                                  
106   Ferroalloy ores, except vanadium                      
108   Metal mining services                                 
109   Miscellaneous metal ores                              
12   Coal mining                                            
122   Bituminous coal and lignite mining                    
123   Anthracite mining                                     
124   Coal mining services                                  
13   Oil and gas extraction                                 
131   Crude petroleum and natural gas                       
132   Natural gas liquids                                   
138   Oil and gas field services                            
14   Nonmetallic minerals, except fuels                     
141   Dimension stone                                       
142   Crushed and broken stone, including riprap            
144   Sand and gravel                                       
145   Clay, ceramic, and refractory minerals                
147   Chemical and fertilizer mineral mining                
148   Nonmetallic minerals services, except fuels           
149   Miscellaneous nonmetallic minerals, except fuels      
