There the vein had failed, between the schist and the tertiary sandstone.

From this very place had been extracted the last piece of coal from the Dochart pit.
"We must attack the dyke," said Ford, raising his pick; "for at the other side of the break, at more or less depth, we shall assuredly find the vein, the existence of which I assert." "And was it on the surface of these rocks that you found out the fire-damp ?" asked James Starr.
"Just there, sir," returned Ford, "and I was able to light it only by bringing my lamp near to the cracks in the rock.

Harry has done it as well as I." "At what height ?" asked Starr.
"Ten feet from the ground," replied Harry.
James Starr had seated himself on a rock.

After critically inhaling the air of the cavern, he gazed at the two miners, almost as if doubting their words, decided as they were.

In fact, carburetted hydrogen is not completely scentless, and the engineer, whose sense of smell was very keen, was astonished that it had not revealed the presence of the explosive gas.