The navigability of the sea to the remote west, the weeds not offering any insuperable obstruction.
It is situated just above the rapids which mark the limit of navigability of the Niger by steamer from the sea.
The address deals mainly with the navigability of the Sangamon River.
The difference in the distribution and navigability of the rivers amply explains this difference.
After three centuries of exploration, the navigability of Hudson Bay and Strait remains a vexed question.
The steamer Talisman in 1832 made a trip to determine the navigability of the Sangamon.