Modern business geography

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Monograph

Identifikator:: 1830562916

URN:: urn:nbn:de:zbw-retromon-217337

Document type:: Monograph

Author:: Huntington, Ellsworth http://d-nb.info/gnd/117070092; Cushing, Sumner W.

Title:: Modern business geography

Place of publication:: New York [usw.]

Publisher:: World Book Company

Year of publication:: 1930

Scope:: VIII, 352 S.; Ill., graph. Darst.

Digitisation:: 2022

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Chapter

Title:: Part two. The field of transportation

Collection:: Economics Books

The Use of Ships 195 used. These boats dg not sink into the water nearly so deep as do the round-bottomed ships that sail the oceans and lakes. The shallow- ness of the water also makes it necessary to use paddle wheels on the sides of the boats amidships, or in front, instead of propellers at the stern. Paddle boats are slower than those with propellers. The cur- rent also causes river navigation to be slow upstream. Canals can be dug in almost any level plain, but at so great cost that it pays to build them only where there is sure to be a large amount of freight. Canal traffic is always slow; for if fast steamboats were used, the waves which they cause would soon wear away the banks and fill the canals. Often barges are used in great numbers, and are slowly drawn by tugboats, horses, donkeys, or even men. In densely populated plains like those of China, Japan, and Europe, even such slow transportation by inland waterways is important. If railroads are also present, as along the Vistula in Poland, the canals are used chiefly for bulky, non-perishable commodities such as ores, sand and eravel, cement, and lumber. Our most important inland waterways. The map suggests that the Mississippi River should be the most important navigable water- way of North America aside from the Great Lakes. It is navigable for large steamers and barges at all seasons to St. Louis, 1256 miles from the mouth, and for smaller boats most of the year to St. Paul, F1g. 139. Flat-bottomed boats that draw little water are used to haul barges in canals and shallow rivers.

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