Though not so large as formerly, these timber rafts are still sometimes 400 or 500 ft.
There are five bad passes, due to the accumulation of trees and rafts of timber.
Its rapid current does not permit of extensive navigation, but timber rafts are floated down from above Innsbruck.
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.
Taking a northerly course, it quits the mountains at Immenstadt, and, flowing by Kempten, from which point it is navigable for rafts, forms for some distance the boundary between Bavaria and Wurttemberg, and eventually strikes the Danube (right bank) just above Ulm.
Steamers ascend this river as far as Bilyutai, near the Mongolian frontier, and bring back tea, imported via Kiakhta, while grain, cedar nuts, salt, soda, wool and timber are shipped on rafts down the Khilok, Chikoi and Uda (tributaries of the Selenga), and manufactured goods are taken up the river for export to China.
Equally ancient are the rafts called kellek, constructed of inflated goat-skins, covered with a framework of wood, often supporting a small house for passengers, which descend the Tigris from above Diarbekr.
The wood of these rafts is sold in Bagdad, and constitutes, in fact, the chief supply of wood in that city.
The whole island is strewn with natural basaltic prisms, some of great size; and of this material, brought by boats or rafts from a distance of 30 m.
6 weight of the rafts passing the station of Schandau on the Saxon Bohemian frontier amounting in 1901 to 333,000 tons.
One of the most interesting features of the Rhine navigation is afforded by the huge rafts of timber that are floated down the river.
Single tree trunks sent down to the Rhine by the various tributaries are united into small rafts as they reach the main stream; and these again are fastened together to form one large raft about Andernach.
The former difficulties with the Des Moines Rapids of the Mississippi (which are passable for rafts and light boats at high water) have been overcome by a canal from Keokuk to Montrose constructed by the National Government.
The same may be said of the Gulf states tribes, although they added rafts made of reed.
Poor dugouts and rafts, made by tying reeds together, constituted the water-craft of California and Mexico until Central America is reached.
Lumber rafts are floated down the Bistritza to the Sereth, and so on to Galatz.
It consists of fourteen rafts, 105 ft.
The pairs of rafts are joined by three baulks 15 ft.
Coxcoxtli used the help of the Aztecs against the Xochimilco people; but his own nation, horrified at their bloodthirsty sacrifice of prisoners, drove them out to the islands and swamps of the great salt lagoon, where they are said to have taken to making their chinampas or floating gardens of mud heaped on rafts of reeds and brush, which in later times were so remarkable a feature of Mexico.
A town was founded in 1833, the Pennsylvania Canal (no longer in use here) was completed to this point in 1834, and the name of the place was suggested by two canal locks and the harbour, or haven, for rafts in the river.
It is at the head of the navigation of the Tigris, which is traversed down stream by keleks or rafts supported by inflated skins.
The foreign boulders of granite, gneiss, &c., found in the coalmeasures of some districts, are quite as likely to have been dropped by rafts of vegetation as to have been carried by floating icebergs.
Thousands of rafts and boats of all descriptions descend the stream every year with cargoes of corn, wool, timber and wooden wares, giving occupation to a large number of men.
The Wieprz (180 m.), a right-hand tributary of the Vistula, is the chief artery of the Lublin government; it is navigable for small boats and rafts for 105 m.
Long and navigable by rafts and light boats for 50 m., flows north and north-east with numerous rapids and shallows, and enters the Sea of Okhotsk.
From its mouth, and for rafts 40 m.
Many miles of inland water communication with small boats or bamboo rafts are afforded by the Pampanga, Agno, Abra, Pasig and Bicol rivers in Luzon, and by the Agusan and Rio Grande de Mindanao in Mindanao.
Large numbers of the boats and rafts are broken up after a single voyage.
Navigation extends as far up as Dorogobuzh, where the depth is about 12 ft., and rafts are floated down from the higher reaches.
Here a cable, stretched across the river, catches all the timber, which is then made up into rafts and floated down to Kado, near Moulmein, where the revenue is collected.
He fitted out three rafts, in August 1870, and descended this whole series of rapids and cascades from the Rio Chinchipe to Borja.
All these rivers are navigable by praus or rafts for only a few miles above the mouth.
Above Agram the Save is used chiefly for floating rafts of timber; east of Sissek it is navigable by small steamboats, but, despite its great volume, the multitude of its perpetually shifting sandbanks interferes greatly with traffic. Steamers also ply on the Una, the Drave below Barcs, and the Danube.
Among the lesser manufactures are lumber and timber products (value in 1905, $5,610,772), most of the raw material being floated down on rafts from Wisconsin and Minnesota.
The eggs are usually deposited on the water itself, and while in the case of certain species, such as Culex pipiens or the widely distributed C. fatigans, they are agglutinated together in masses known as "boats" or "rafts" containing from 50 to 400 ova, those of others, such as the Anophelinae and many Culicinae (e.g.
It is navigable for small steamboats up to Heilbronn, for boats up to Cannstatt, and for rafts from Rottweil.
On reaching Dort the rafts are broken up and sold, a single raft sometimes producing as much as £30,000.
Of Minsk, leaves Russia at Yurburg, and enters the Kurisches Haff; rafts are floated upon it almost from its.
Light boats and rafts are floated at all points, and steamers ply on its lower portion; its estuary has important fisheries.
Dvina, and the Pripet, both very important for navigation - as well as several smaller tributaries on which rafts are floated; on the left the Sozh, the Desna, one of the most important rivers of Russia, navigated by steamers as far as Bryansk, the Sula, the Psiol and the Vorskla.
Above that point there is no navigation except by the native rafts (kellek), which descend the river and are broken up on arrival at their point of destination.
A sufficient length of cable to reach the shore or the cable-house is paid overboard and coiled on a raft or rafts, or on the deck of a steam-launch, in order to be connected with the shore.