MILES    CITY    COAL   FIELD,   MONTANA.  41 
Section  of  the  lower  member  of  the  Fort  Union  formation  near  Miles  City,  Mont. 
Ft.     in. 
Limestone  at  base  of  upper  member 3 
Shale,  white 7 
Coal  and  shale,  dark G 
Shale,  gray 20 
Limestone,  weathering  brown 1 
Shale,  light  gray 10 
Shale,  dark  gray 8 
Limestone,  weathering  reddish  brown 6 
Shale,  dark  yellow 6 
Coal 6 
Shale,  gray 21 
Limestone,  weathering  light  red '. . .       1 
Shale,  gray 25 
Sandstone,  white,  with  limestone  concretions 8 
Shale 2 
Sandstone 8 
Shale,  white 2 
Shale,  gray 5     6 
Sandstone,  gray 20 
Limestone,  weathering  red 3 
Sandstone,  gray 4 
Limestone,  weathering  red 6 
Sandstone,  gray 4 
Coal  and  shale 1  10 
Sandstone,  gray 3     6 
Limestone,  weathering  light  red 1     6 
Sandstone,  gray 4 
Limestone,  weathering  light  red 6 
Shale,  dark 3 
Limestone,  weathering  red 3 
Sandstone,  gray 2 
Coal 8 
Shale,  yellow 5 
Limestone,  weathering  light  red 8 
Shale,  gray 13 
Limestone,  weathering  red 6 
Sandstone,  fine  gray 3 
Limestone,  weathering  red 2 
Sandstone,  gray 2 
Limestone,  weathering  red 2 
Sandstone 5 
Coal  (Weaver  bed)  (D,  PL  III) 2     5 
Shale 4 
Coal 1     3 
Shale 10 
Coal 6 
Shale 6 
Coal 3 
Shale,  sandy,  dark  yellow 6 
Limestone,  brittle 6 
Shale,  dark  gray 5 
