 | Geological Survey of Alabama - 1850 - 214 σελίδες
...has occupied so much of my time, at the risk of appearing to neglect other districts of the State. Notwithstanding the definite character and value of...inadequately it represents this magnificent formation. BC Taylor, Esq., the geologist who first investigated the Appalachian coal-field of Pennsylvania, mentions... | |
 | 1888 - 130 σελίδες
...has an elevation of but three degrees, just sufficient for drainage. In many places three of these seams may be found superimposed on each other, and...Tuomey in the Geological Report of Alabama in 1850. The Cahawba Coal field of two hundred and thirty square miles lies in the counties of Bibb, Shelby... | |
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... two above the reach of high water. It is this part of the great Warrior Basin that is most accessible by water. In it may be found all classes of bituminous coals, and it is thought to be the only part of the field in which cannel coal has been discovered.... 