THE PANAMA ROUTE FOR A SHIP CANAL. 555 



Concrete cubic yards?. . 8, 762, 175 



Granite ,. . - -" (lo 13, 820 



Iron and steel pounds. . 65, 248, 900 



Excavation in cofferdam '. cul)ic yards. . 7, 260 



Pneumatic work do 108, 410 



The lengths of the various sections of this route and the costs of 

 comph^tino- the work upon them are fully set forth in the following 

 table, taken from the Connnission's report, as were the two pret-eding: 



Total caliinatt'd cost. 



Cost. 



Colon entnince and liarbor 



Harbor to Bohio locks, including levees 



Bohio locks, including excavation 



Lake Bohio 



Obispo gates 



Culebra section 



Pedro Miguel locks, including excavation and dam . 



Pedro Miguel level 



Miratlores locks, including excavation and spillway. 



Paeitic level 



Bohio dam 



Gigante spillway 



Peiiu Blauca outlet 



Chagres diversion 



Gatuu diversion 



Panama Railroad divcnsion 



Total 



Engineering, police, sanitation, and general (>ontingencies, 20 per cent. 



Aggregate 



2.39 



14. -12 



.35 



13.61 



7.91 

 .35 



1.33 

 .20 



8. .53 



49.09 



18, 057, 707 



11,099,839 



11,507,275 



2, 952, 154 



295, 434 



44, 414, 460 



9,081,321 



1, 192, 286 



5,781,401 



12,427,971 



6, 369, 040 



1,209,419 



2,448,076 



1, 929, 982 



100, 000 



1,267,500 



120,194,465 

 24,038,893 



144, 233, 358 



The item in this table called Panama Railroad div^ersion affords pro- 

 A ision for the reconstruction of the railroad necessitated l)y the forma- 

 tion" of Lake Bohio. That lake would submerge the present location 

 of the raili'oad for 14 or 15 miles. * * * 



orjei«s|W„7\ . 



The Culebra cut with steamer Dcutucldami in it. 



As is well known, the entire Central American isthmus is a volcanic 

 region, and in the past a considerable number of destructive volcanic 

 eruptions have taken place at a number of points. There is a line of 

 li\'e volcanoes extending southeasterly through Nicaragua and Costa 

 Rica. Many earthquake shocks have occurred throughout Nicaragua, 

 Costa Rica, and the State of Panama, some of which have done more 

 or less damage in large |)ortions of those districts. * * * Xhe 



