Part, chapter

1    1,    5|  There are neither rapids nor obstacles of any sort until it reaches
2    1,    7|     no matter what may be the obstacles, thickets, underwood, rocks,
3    1,   10|    currents, and were so many obstacles to speedy navigation.~The
4    1,   11| current, embarrassed by these obstacles, increased in strength.
5    1,   15|   encountering insurmountable obstacles among its white waters,
6    2,   16|   quite possible, and that no obstacles such as locks or boats under