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قراءة كتاب The American Type of Isthmian Canal Speech by Hon. John Fairfield Dryden in the Senate of the United States, June 14, 1906

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The American Type of Isthmian Canal
Speech by Hon. John Fairfield Dryden in the Senate of the United States, June 14, 1906

The American Type of Isthmian Canal Speech by Hon. John Fairfield Dryden in the Senate of the United States, June 14, 1906

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دار النشر: Project Gutenberg
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organized in February, 1896, and reached a unanimous conclusion on November 16, 1898, embodied in an elaborate report, which is probably the most authoritative document ever presented on an engineering subject. The recommendation of the commission was unanimously in favor of a lock canal.[1]

The subsequent history of the De Lesseps project and the American effort for a practical route across the Isthmus are still fresh in our minds and need not be restated. The Spanish-American war and the voyage of the Oregon by way of Cape Horn, more than any other causes, combined to direct the attention of the American people to conditions on the Isthmus, and led to the public demand that by one route or another an American waterway be constructed within a reasonable period of time and at a reasonable cost. It will serve no practical purpose to recite the subsequent facts and the chain of events which led to the passage of the act of March 3, 1899, which authorized the President to have a full and complete investigation made of the entire subject of Isthmian canals.

A million dollars was appropriated for the expenses of a commission, and in pursuance of the provisions of the act the President appointed a commission consisting of Rear-admiral Walker, United States Navy, president, and nine members eminent in their respective professions as experts or engineers. A report was rendered under the date of November 30, 1901, in which the cost of constructing a canal by way of Nicaragua was estimated at $189,864,062 and by way of Panama at $184,233,358, including in the last estimate $40,000,000 for the estimated value of the rights and property of the New Panama Canal Company. The company, however, held its property at a much higher value, or some $109,000,000, which the Commission considered exorbitant, and thus the only alternative was to recommend the construction of a canal by way of the Nicaraguan route. Convinced, however, that the American people were in earnest, the New Panama Company expressed a willingness to reconsider the matter, and finally agreed to the purchase price fixed by the Isthmian Commission.

By the Spooner act, passed June 28, 1902, Congress authorized the President to purchase the property of the New Panama Canal Company for a price not exceeding $40,000,000, the title to the property having been fully investigated and found valid. The Isthmian Commission, therefore, recommended to Congress the purchase of the property, but the majority of the Senate Committee on Interoceanic Canals disagreed, and it is only to the courage and rare ability of the late Senator Hanna and his associates, as minority members of the committee, that the nation owes the abandonment of the Nicaraguan project, the acquirement of the Panama Canal rights at a reasonable price and the making of the project a national enterprise.

The report of the minority members of the Senate committee was made under date of May 31, 1902. It is, without question, a most able and comprehensive dissertation upon the subject, and forms a most valuable addition to the truly voluminous literature of Isthmian canal construction. The report was signed by Senators Hanna, Pritchard, Millard, and Kittredge. "We consider," said the committee, "that the Panama route is the best route for an isthmian canal to be owned, constructed, controlled, and protected by the United States." It was a bold challenge of the conclusions of the majority members of the committee, but in entire harmony with and in strict conformity to the views and final conclusions of the Isthmian Commission. The minority report was accepted by the Congress and a canal at Panama became an American enterprise for the benefit of the American people and the world at large.

Such, in broad outline, is the present status of the Panama Canal. A grave question presents itself at this time, which demands to be disposed of by Congress, and to which all others are subservient. Shall the waterway be a sea-level or a lock canal? It is a question of tremendous importance—a question of choice equally as important as the one of the route itself. A choice must be made, and it must be made soon. All the subsidiary work, all the related enterprises, depend upon the fundamental difference in type. Opinions differ as widely to-day as they did at the time when the project was first considered by the international committee in 1879. Engineers of the highest standing at home and abroad have expressed themselves for or against one type or the other, but it is a question upon which no complete agreement is possible. In theory a sea-level canal has unquestionable advantages, but, practically, the elements of cost and time necessary for the construction preclude to-day, as they did in 1894, when the New Canal Company recommenced active operations, the building of a sea-level canal. It is not a question of the ideally most desirable, but of the practically most expedient, that confronts the American people and demands solution.

The New Panama Canal Company had approved the lock plan, which placed the minimum elevation of the summit level at 97.5 feet above the sea and the maximum level at 102.5 feet above the same datum. In the words of Prof. William H. Burr:

It provided for a depth of 29.5 feet of water and a bottom width of canal prism of about 98 feet, except at special places, where this width was increased. A dam was to be built near Bohio, which would thus form an artificial lake, with its surface varying from 52.5 to 65.6 feet above the sea. The location of this line was practically the same as that of the old company. The available length of each lock chamber was 738 feet, while the available width was 82 feet, the depth in the clear being 32 feet 10 inches. The lifts were to vary from 26 to 33 feet. It was estimated that the cost of finishing the canal on this plan would be $101,850,000, exclusive of administration and financing.

The Isthmian Commission of 1899–1901 considered the project, reëxamined into the facts, and as stated by Professor Burr—

The feasibility of a sea-level canal, but with a tidal lock at the Panama end, was carefully considered by the Commission, and an approximate estimate of the cost of completing the work on that plan was made. In round numbers this estimated cost was about $250,000,000, and the time required to complete the work would probably be nearly or quite twice that needed for the construction of a canal with locks. The Commission therefore adopted a project for the canal locks. Both plans and estimates were carefully developed in accordance therewith.

Professor Burr, now in favor of a sea-level canal, then concurred in the report in favor of a lock canal.

Since the Panama canal became the property of the nation a vast amount of necessary and preliminary work has been done preparatory to the actual construction of the canal. A complete civil government of the Canal Zone has been established, an army of experts and engineers has been organized, the work of sanitation and police control is in excellent hands, and the Isthmus, or, more properly speaking, the Canal Zone, is to-day in a better, cleaner, and more healthful condition than at any previous time in its history. A considerable amount of excavation and necessary improvements in transportation facilities have been carried to a point where further work must stop until the Isthmian Commission knows the final plan or type of the canal. The reports which have been made of the work of the Commission during its two years of actual control are a complete and affirmative answer to the question whether what has been done so far has been done wisely and well, and the facts and evidence prove that the present state of affairs on the Isthmus is in all respects to the credit of the nation.

Now, it is

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