...entirely to two beds, designated as Nos. 9 and 1 1 by the Kentucky geological survey. Of these, No. 9 is the more persistent and furnishes probably 75 per...portion and the southern or southwestern edge, and in a few other casen, where it has been cut out by irregularities in the structure. The bed has an...

...entirely to two beds, designated as Nos. 9 and 1 1 by the geological survey of Kentucky. Of these, No. 9 is the more persistent and furnishes probably 75 per...of the State. It underlies the whole or portions of 8 counties, including all of the field except its eastern portion and the southern or southwestern...

...entirely to two beds, designated as Nos. 9 and 1 1 by the geological survey of Kentucky. Of these, No. 9 is the more persistent and furnishes probably 75 per...of the State. It underlies the whole or portions of 8 counties, including all of the field except its eastern portion and the southern or southwestern...

...western district of Kentucky is confined for the most part to two beds, designated as No. 9 and No. 11 by the Geological Survey of Kentucky. Of these,...irregularities in the structure, which near the west and south borders of the field is seriously affected by faults. The bed has an average thickness of about 5 feet...

...entirely to two beds, designated as Nos. 9 and 1 1 by the Kentucky geological survey. Of these, No. 9 is the more persistent and furnishes probably 75 per...portion and the southern or southwestern edge, and in a few other cases, where it has been cut out by irregularities in the structure. The bed has an...