11. A navigable channel is being considered for the Uruguay River, which separates Uruguay and Argentina. 12. The two groups are separated by a navigable channel . 13. The bridge has seven spans, including the cantilevered through truss over the river's navigable channel . 14. A short navigable channel also links the southern end of the Wendsee to the Wusterwitzer See. 15. The R�yksund Channel is a small navigable channel that separates Moster from the island of B�mlo. 16. The lake is comparatively shallow and filled with sand banks, making its navigable channels tortuous and difficult. 17. Second, a navigable channel was carved through the lagoon to allow oil tankers to reach the piers. 18. In 1900 he patented a system for construction of navigable channels at the Mouth Of the Mississippi River. 19. The rivers of the state all flow northward to the Atlantic and a majority of them have navigable channels . 20. Due to infiltration of sediment through and along the peripheral breakwalls, the harbor requires regular dredging to maintain navigable channels .