The total length of navigable rivers is 967 m.
The Oise, Aisne and Marne are navigable, and canalsfurnish 170 m.
The Muar waters a very fertile valley, and is navigable for native boats for over 150 m.
The Parnahyba is navigable for boats of 3 ft.
On the eastern side of the river, on the other hand, there are several important tributaries descending from the Persian mountains: the Khabur, a little north of 37° N., navigable for rafts; the Great Zab, at 36° N., just below Nimrud, the ancient Calah; the Little Zab, about 35° 15' N.; the 'Adhem at 34° N.
The Trent is navigable from a point near the town downward.
For rafts the river is navigable from Diarbekr and is termed by the natives "the cheap cameleer."
The deepest rivers are the Kuantan and Rompin; the largest are the Kelantan and the Pahang, both of which are navigable for native boats for a distance of over 250 m.
The largest and only navigable rivers of Vermont are among those flowing into Lake Champlain: the Missisquoi, the Lamoille, the Winooski and Otter Creek.
The P0 is itself navigable from Turin downwards, but through its delta it is so sandy that canals are preferred, the P0 di Volano ~.nd the P0 di Primaro on the right, and the Canale Bianco on the left.
The first-named is far finer than its fellows, and is navigable for steamers for about 40 m.
The river flows in exquisite wooded reaches, navigable only for small boats.
Notwithstanding this, much timber is floated down, and the Panlaung is navigable for small boats all the year round.
It is navigable for large vessels as far as Grodno.
It is navigable for steamers to a point a little above the mouth of the Great Zab, about 30 m.
The chief navigable rivers are:
The South Alligator river, flowing into Van Diemen's Gulf, is also a fine stream, navigable for over 30 m.
The Roper is a magnificent stream, navigable for about 75 or 80 m.
The only river with traffic of commercial importance is Otter Creek, flowing northwards into the southern part of Lake Champlain and having a navigable length of 8 m.
It is only navigable by small sailing-vessels, even in its estuary, but its waters are extensively utilized for irrigation.
From Jalalabad downwards the river is navigable by boats or rafts of inflated skins, and is considerably used for purposes of commerce.
It is situated on the canal from Bruges to Sluys (Ecluse), but in the middle ages a navigable channel or river called the Zwyn gave ships access to it from the North Sea.
The Arno is navigable for barges as far as Florence; but it is liable to sudden floods, and brings down with it large quantities of earth and stones, so that it requires careful regulation.
About 1880, while the Gediz Chai was throwing its silt unchecked into the Gulf of Smyrna and gradually filling the navigable channel, there was talk of reviving Fokia as a new port for Smyrna, and connecting it with the Cassaba railway.
Draught up to Nova York, a few miles above the mouth of the Gurgueia, and could be made navigable up to the mouth of the Balsas.
Navigable canals had in 1886 a total length of abput 655 m.; they are principally situated in Piedmont, Lombardy and Venetia, and are thus practically confined to the P0 basin.
The great extension of Italian coast-line is thought by some to be not really a source of strength to the Italian mercantile marine, as few of the ports have a large enough hinterland to provide them with traffic, and in this hinterland (except in the basin of the Po) there are no canals or navigable rivers.
Of these only the last is navigable by ocean-going vessels.
Attached to the chief islands are, on the extreme N., Landfall Islands, separated by the navigable Cleugh Passage; Interview Island, separated by the very narrow but navigable Interview Passage, off the W.
Coast of the South Andaman, through which is the safe navigable Elphinstone Passage; Ritchie's (or the Andaman) Archipelago off the E.
The city is divided by the rivers (including the small streams Lieve and Moere) and by canals, some navigable, into numerous islands connected by over 200 bridges of various sorts.
The Uruguay is navigable all the year by steamers from the island From Strasburger's Lehrbuch der Botanik, by permission of Gustav Fischer.
The object is to allow sufficient water to drain off to the westward for the due irrigation of the land, while the Hillah bed still retains the main volume of the stream, and is navigable to the sea.
The Narss, also, the modern Daghara, which is still navigable to Nippur and beyond, left the Sura a little below Hillah; and at the present day another large canal, the Kehr, branches off near Diwanieh.
At Nasrieh the Shattel-Hal, at one time the bed of the Tigris, and still navigable during the greater part of the year, joins the Euphrates.
In width and from 3 to 5 fathoms deep, navigable for steamers of good size.
The Murray is navigable for small steamers from this town to its mouth, a distance of 1800 miles.
The Rhone and the Saone are navigable for considerable distances in the department; the chief railway is that of the Paris-LyonMediterranee Company, whose line from Macon to Culoz traverses the department.
The river is navigable to Quibdo (250 m.), and for the greater part of its course for large vessels, but the bars at its mouth prevent the entrance of sea-going steamers.
Cook's second voyage was mainly intended to settle the question of the existence of such a continent once for all, and to define the limits of any land that might exist in navigable seas towards the Antarctic circle.
The river Aube is navigable for 28 m.
Elphinstone Dalrymple, with Messrs Hill and Johnstone, finishing in December 1873, effected a valuable survey of the inlets and navigable rivers in the Cape York Peninsula.