26 GEOLOGICAL SURVEY OF ALABAMA. 
[Section of Mammoth seam as it shows at the test made on a prong of Black 
Creek, near the Rock Springs Church, in the north end of the Henry- 
ellen basin in section 26, township 16, S., range 1, E. Direction of 
strike, N. E. and 8S. W. Direction of dip, S. E. Rate of dip, 15°). 
SANDSTONE: 
4 SL ~s 
1 (hls 
2, vt. ES PA ie 
‘ sife a 
| Ake 
) Foor SiplcHes copl 
a 2 Med Spry PARTING 
FFEET- GiNedes Harpo Cop, 
lOjNcHes BLACK SHAL YY slave 
SPFEET 2ipleHles. COAL 
SLATEWSLATY SANoSTONE 
Southwest of this test, a split takes place in the Mam- 
moth, dividing it into two large seams or benches. At 
Henryellen there are three slopes sunk on the lower or five 
foot seam, designated as No. 1 slope, No. 2 and new No. 3; 
the upper or six foot seam they have not begun to work 
yet. This split is very remarkable on accouxrt of the very 
white sandstone intervening between the two seams in the 
neighborhood of Henryellen ; the thickness of the interven- 
ing measures, including the white sandstone in this vicinity, 
varies from three to thirty-five feet. To the southwest of 
Henryellen the intervening measures between the two 
