The Isthmus of Tehuantepec. 



171 



The question is not whether it can be built, but, if it will 

 pay. The writer submits this problem to more competent 

 minds. 



Recapitulation. — Latitude of the isthmus from 16° 30' to 

 14° 30'; greatest elevation of proposed grade of canal 645 ft.; 

 length of canal 145 miles; cost $30,000,000 ; length of rail 

 road 162 miles; greatest grade, per mile, 60 feet. 



Greatest elevation of rail road, is at Tarifa, 92 miles from 

 the Atlantic, 50 miles from the Pacific, 745 feet; number of 

 locks in canal, 120 ; proposed cost of rail road, $9,000,000. 



