.0                                                                              
                                                                                
P&s    SANGRE DE CRISTO FORMATION--Arkosic conglomerate, sandstone, and         
         siltstone                                                              
P&m    MAROON FORMATION--Arkosic sandstone, siltstone, conglomerate, and local  
         limestone                                                              
P&w    WEBER SANDSTONE                                                          
P&wm   WEBER SANDSTONE AND MAROON FORMATION