CAHABA COAL FIELD: HELENA BASIN. 57 
four and a half feet of coal without any slates interlarded, 
in this basin it is usually divided up into two or three 
layers, as the following measured sections of this seam taken 
from test pits will show: 
[Helena seam in S. E. 14 of N. E. 14, section 10, township 20, S., range 
8, Wi. 
SANOSTONE 
2FEET 6I1NcHes COAL 
— 3s NN CHEes SLATE 
ieee es !fooy GINcHEes COAL 
SXYGQ SINCHES SLATE 
2FEET COAL 
A. QS 207707 Share 
{Helena seam in S. W. 14 of S. W. 14, in section 2, township 20, S., range 
8, W.: rate of dip 30°). 
SANOSTONE 
GRITTY SLATE 
4@Feer 3 INCHES COAL 
RRR CS /WVCHES SLATE 
1 Foor 9IncHES COAL 
SX QQ 1 Foor SLATE 
2 Feer COAL 
QQ Borrom SLATE or 
FIRE-CLAY. 
