That seems most cleared off.

Darned if I can see a steim o' the sky.

'Bove as below, everything's as black as the ten o' spades.

What kin it mean ?" Without waiting a reply, or staying for his companion to come out upon the ledge, Wilder rose to his feet, and, grasping the projecting points above his head, commenced swarming up the shaft, in a similar manner as that by which he had made the descent.
Hamersley, who by this time had crept out of the grotto, stood upon the ledge listening.
He could hear his comrade as he scrambled up; the rasping of his feet against the rocks, and his stentorian breathing.
At length Walt appeared to have reached the top, when Hamersley heard words that sent a thrill of horror throughout his whole frame.
"Oh!" cried the guide, in his surprise, forgetting to subdue the tone of his voice, "they've built us up! Thar's a stone over the mouth o' the hole--shettin' it like a pot lid.

A stone--a rock that no mortal ked move.