For a while the inclination of the path told Fred the proper direction was being pursued, and then it seemed as if they traveled an unusually long time over a road which appeared to be perfectly level.
"Are you sure we are right?" he asked at length, seizing Brace by the arm to force him to halt.
"I don't know anything about it. This part of the mine was closed before I ever heard of such a place as Farley's."
"We should have continued going down hill until the shaft was gained."
"Then we are off the track sure; but it can't be helped now, and there is little chance of finding our way back. The air isn't bad, and we'll keep on; it may be there is another slope beside the one about which I have heard."
"We must be on the lower level."
"I reckon we are."
"And it can't be long before Billings will do as he threatened."
"You're right."
"Then we are certain to be drowned unless we can find a higher drift."