.0                                                                              
                                                                                
               NORTHWEST AND WEST-CENTRAL (Continued)                           
Kw     WILLIAMS FORK FORMATION--Sandstone, shale, and major coal beds           
Ki     ILES FORMATION--Sandstone and shale.  Trout Creek Sandstone Member at    
         top; coal beds in upper half                                           
Ksc    SEGO SANDSTONE, BUCK TONGUE OF MANCOS SHALE, AND CASTLEGATE SANDSTONE    
Kh     HUNTER CANYON FORMATION--Sandstone and shale                             
Kmgs   MOUNT GARFIELD FORMATION AND SEGO SANDSTONE--Sandstone and shale; major  
         coal beds in lower part of Mount Garfield                              
Km     MANCOS SHALE--Intertongues complexly with units of overlying Mesaverde   
         Group or Formation; lower part consists of a calcareous Niobrara       
         equivalent and Frontier Sandstone and Mowry Shale Members; in areas    
         where the Frontier and Mowry Members (Kmfm), or these and the Dakota   
         Sandstone (Kfd) are distinguished, map unit (Km) consists of shale     
         above Frontier Member                                                  
Kmfm   Frontier Sandstone and Mowry Shale Members and intervening shale zone    
Kd     DAKOTA SANDSTONE                                                         
Kfd    FRONTIER SANDSTONE AND MOWRY SHALE MEMBERS OF MANCOS SHALE AND DAKOTA    
         SANDSTONE--Locally includes, at base, Burro Canyon Formation (shale    
         and sandstone) or, in western Moffat County, Cedar Mountain Formation  
         (conglomerate and shale)                                               
Kdb    DAKOTA SANDSTONE AND BURRO CANYON FORMATION--Sandstone, shale, and       
         conglomerate                                                           
                                                                                
                            SOUTHWEST                                           
Kkf    KIRTLAND SHALE AND FRUITLAND FORMATION--Shale, sandstone, and major      
         coal beds                                                              
Kpcl   PICTURED CLIFFS SANDSTONE AND LEWIS SHALE                                
Kch    CLIFF HOUSE SANDSTONE                                                    
Kmp    MENEFEE FORMATION (SANDSTONE, SHALE, AND COAL) AND POINT LOOKOUT         
         SANDSTONE                                                              
Kmv    MESAVERDE GROUP, UNDIVIDED--Sandstone and shale                          
Km     MANCOS SHALE--Lower part contains Juana Lopez Member (Kmj)               
Kmj     Juana Lopez Member--Calcareous sandstone; a thin but persistent unit    
         distinguished only locally                                             
Kdb    DAKOTA SANDSTONE AND BURRO CANYON FORMATION--Sandstone, shale, and       
         conglomerate