COAL  BETWEEN   GAIJ/TNA   AND   RATON   SPRING,    N.    MEX.        345 
Locality  No.  5:  The  following  is  a  section  of  the  Mesaverde  rocks 
at  a  prominent  cirque  1  mile  north  of  Copper  City.  The  local  dip 
here  is  60°  S.  30°  E. 
Section  of  Mesaverde  formation  1  mile  north  of  Copper  City  {No.  5). 
Ft.    in. 
Sandstone,  top  escarpment 45 
Covered ;  signs  of  coal 10 
Shale,  dark;  some  sandstone  and  thin  coal  streaks 110 
Coal 1 
Shale 12 
Coal : 1 
Shale,  drab,  and  thin  sandstone 200 
Coal 6 
Shale,  carbonaceous 3 
Coal 2      2 
Shale,  drab '. 6 
Coal 3 
Shale 6 
Coal. 1     10 
Shale 6 
Coal 1      6 
Shale,  carbonaceous 1 
Shale,  drab 5 
Sandstone,  gray 4 
Shale,  carbonaceous 4 
Coal 1 
Shale,  carbonaceous 5 
Coal 2 
Shale,  carbonaceous 1 
Shales,  dark  and  drab 30 
Shale,  carbonaceous,  and  thin  sandstone 20 
Sandstone,  massive,  gray,  resistant 30 
Covered;  largely  shale 40 
Sandstone,  gray,  soft 40 
Shales,  drab  and  yellowish 15 
Sandstone,  gray,  soft,  massive 100 
Sandstone,  fossiliferous 1      6 
Sandstone,  thin  bedded 5 
Shale,  drab 3 
Sandstone,  gray,  soft,  argillaceous 20 
Sandstone,  brown,  ferruginous 2 
Shale,  Mancos.  
719      3 
Locality  No.  6:  Another  exposure  of  Mesaverde  coal  beds  occurs 
in  the  hogback  at  Copper  City.  The  rocks  are  overturned,  dipping 
at  an  angle  of  70°  S.  70°  E.,  toward  San  Pedro  Mountain.  A  massive 
resistant  sandstone  50  feet  thick  caps  the  formation,  and  a  similar 
one  lies  at  the  base.  Between  the  two  is  a  series  of  alternating 
thin  sandstones  and  shales  with  small  intercalated  coal  beds.     These 
