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 199 ment. A channel 41 feet deep, 800 feet wide, and 50 miles in length had to be cut, largely in solid rock. Twelve pairs of locks had to be built so that the largest vessels could be lifted over a ridge from one v4 F16. 141. The Panama Canal is about 50 miles long. The locks, which are at Gatun near the Atlantic and at Pedro Miguel and Miraflores near the Pacific, will accommodate the largest ships float. The canal took ten years to build. About the same tonnage now passes through it annually as goes throuch the Suez Canal. i ocean to the other. The ridge itself was cut down from 700 feet above sea level to 85 feet. A dam nearly a mile and a half long was con- structed to control the floods of the torrential Chagres River and to turn its valley into a great lake, now used as part of the canal. Both the dam and the lake are the greatest of their kind ever made by man. The engineering difficulties might have been overcome by the French when they attempted to build the canal, about thirty years be- fore the United States undertook it. But at that time it was difficult for native laborers to live at Panama. and almost impossible for white

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