Chapter XI

_Knowing the River_ To "know the river" fully, the pilot must not only know everything which may be seen by the eye, but he must also feel for a great deal of information of the first importance which is not revealed to the eye alone. Where the water warrants it, he reaches for this information with a lead line; as on the lower river, where the water is deeper, and the draft of boats correspondingly great. On the upper river, a twelve-foot pole answers instead. The performance is always one of great interest to the…