184        CONTRIBUTIONS   TO   ECONOMIC   GEOLOGY,   1907,   PART  II. 
Sections  of  Eagle  coal  beds  in  SE.  i  sec.  25,  T.  58  N.,  R.  100  W. 
OUTCROP  500  FEET  SOUTH  OF  ENTRANCE 
TO  SILVERTIP  MINE. 
Upper  bed : 
Shale.  Ft.    in. 
Coal,  poor 6 
Coal,  good 1      4 
Bone 2 
Coal 1     10 
Bone 2 
Coal,  good 1       6 
Sandstone,  shaly 3       9 
Total  coal.. 4 
Middle  bed: 
Coal,  good 9 
Shale,  black,  bituminous  9 
Coal,  very  good 1      1 
Shale 3       8 
Total  coal 1     10 
Lower  bed : 
Coal 7 
Bone 2\ 
Coal,  bony 3 
Bone 2       5 
Coal 6 
Shale 6 
Total  coal. 
OUTCROP  600  FEET  SOUTH  OF  ENTRANCE 
TO  SILVERTIP  MINE. 
Middle  bed: 
Coal.. 
Shale. 
Coal.. 
Shale  .... 
Total  coal 1 
Lower  bed : 
Coal. 
Bone 
Coal 
Shale 
Coal 
Shale,     black,     carbona- 
ceous      2 
Coal , 
Sandstone  and  shale 55 
Total  coal 1 
Other  sections  of  coal  in  the  Silvertip  coal  field  are  as  follows: 
Sections  of  coal  beds  in  T.  58  N.,  R.  99  W. 
NE.  i 
NW.  i 
SEC.  31. 
NW.  i 
NE.  J 
SEC. 
30. 
Shale. 
Ft. 
in. 
Upper  bed : 
Coal, 
dirty. 
6 
Sandstone. 
Coal. 
6 
Shale. 
Ft. 
in. 
Bone 
1 
Coal... 
.       4 
6 
Coal. 
4 
Shale 
.       7 
Bone 
3 
Coal.. 
.       1 
Coal. 
1 
7 
Shale 
.       1 
Bone 
2 
Sandstone . 
.       4 
Coal. 
3 
Total  coal. 
.       5 
r> 
Total  coal . . 
3 
?, 
