21. The Prime Minister asked the officials for taking steps to ensure navigability of the rivers and solve the waterlogging problem. 22. Today, ongoing studies about the navigability of the river for urban transportation will assist in developing the region further. 23. He approached the Northern Territory by ship, and his choice of site was influenced by the navigability of the river. 24. The location and navigability of the city's harbours have made Sevastopol a strategically important port and naval base throughout history. 25. Each entry is preceded by a number that gives the impression of bus routes, while simultaneously adding nothing to the navigability . 26. The island was created in 1922 when engineers dug a secondary trench to reroute the River Rouge to increase navigability for shipping purposes. 27. The Paraopeba River is one of the most important tributaries of the S�o Francisco River, ensuring the yearlong navigability of that river. 28. Indeed, Congress debated _ and rejected _ a " navigability " requirement when it amended the Clean Water Act in 1977. 29. Navigability of the river Neris is very limited and no regular water routes exist, although it was used for navigation in the past.30. Its importance lay in the fact that it was within a few kilometres of the limit of navigability of the Nile from Khartoum upstream.
