Part,  Chapter

 1     II,  XVIII|        able to sink a vertical shaft in the compact mass, so
 2     II,  XVIII|   Mac-Nab prepared to sink his shaft, which he meant to go straight
 3     II,  XVIII|       easy enough to sink this shaft through the twenty feet
 4     II,  XVIII|  course constantly fill in the shaft, and its sides would therefore
 5     II,  XVIII|       prop up the sides of the shaft with wood, the loose earth
 6     II,  XVIII|       the bottom of the narrow shaft, directing the excavation,
 7     II,  XVIII| business than the sinking of a shaft from above, for the masses
 8     II,  XVIII|    drawn to the surface of the shaft loaded with earth. The clumsy
 9     II,  XVIII|      work.~At four o’clock the shaft was fifty feet deep altogether,
10     II,  XVIII|      then at the bottom of the shaft, and his disappointment
11     II,  XVIII|  climbed to the opening of the shaft by means of the wood-work.~
12     II,  XVIII|      work at the bottom of the shaft without a word to any of
13     II,  XVIII|        resumed their work. The shaft must have nearly reached
14     II,  XVIII|   himself to the bottom of the shaft, and seizing a pickaxe sent