CAHABA COAL FIELD : HENRYELLEN BASIN. 31 
matter as mere conjecture, but they are facts, as to the 
correctness of which there is no manner of doubt. 
The rocks on the southeast side of the basin have a 
steeper rate of dip than those on the northwest side ; this 
is in accordance with the general law applicable to the 
whole of the Appalachian region from Alabama to New 
York, which was formulated by the Messrs. Rogers long 
ago, as results of their surveys in Virginia and Pennsyl- 
vania, and adjacent states. 
The method of working the coal seam in this basin hith- 
erto used, has been the method termed by miners, “working 
the seam on the run.” For description of this and other 
methods see the last Chapter. 
The basin contains seats that are of good quality for 
domestic use; others of good quality for coking and iron 
manufacturing purposes; and others for a first class steam 
coal, so that the three principal demands for coal can be 
supplied by this basin. The following is an analysis of the 
lower bench of the Mammoth seam, taken from a half 
bushel sample from the top to bottom of the seam from 
the Henryellen Company’s slope No. 1, at Henryellen. 
Analysis by J. L. Beeson: 
Lower Bench of Mammoth Seam at Henryellen. 
MOIStULC elses veer aie c 4 ie eieiere 1.531 
Volatile matter...............0e eens 33.785 
Fixed carbon............00 see eee eee 59.196) 
Dplisc se eran ah nao 5.4ggf COKE... +++. 64.684 
100.000 
Sulphur in coal.......... 0.00 cece e eee 1.016 
Sulphur left in coke.................. 371 
Per cent. of sulphur in coke.......... 574 
The following is an analysis of the upper bench of the 
Mammoth seam taken from a half bushel sample channelled 
out of the seam from top to bottom. This is all from the 
DeBardeleben Coal and Iron Company’s slope No. 1, at 
Henryellen. Analysis by J. L. Beeson: 
