Chapter

1 1 |   rose at once to a height of fifteen hundred feet, and there
2 3 |      wall was about twelve or fifteen hundred feet. As to the
3 6 | mother, had now continued for fifteen years in mine.~Two months
4 13|      the famous cataract some fifteen miles beyond the important
5 14|   outlines began to show some fifteen miles ahead. During our
6 14|       a distance of twelve or fifteen cable lengths. The “Terror,”
7 14|     to Lake Ontario, is about fifteen leagues. It flows in a northerly
8 15|   rocky hollow measuring from fifteen to eighteen hundred feet