The Panama CanalU.S. Naval Institute, 1913 - 676 pages |
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Page 599
... tunnels under the Hudson and East Rivers , the great railroads and terminals , the Erie Canal , the city subways and water - supply systems , the reclamation projects and great bridges —but these are all intimately interwoven with our ...
... tunnels under the Hudson and East Rivers , the great railroads and terminals , the Erie Canal , the city subways and water - supply systems , the reclamation projects and great bridges —but these are all intimately interwoven with our ...
Page 605
... tunnel over three miles long . The report of actual conditions by Garella discouraged the promoters . During all this period the United States was peopled only on the Atlantic seaboard and was interested in commerce which started or ...
... tunnel over three miles long . The report of actual conditions by Garella discouraged the promoters . During all this period the United States was peopled only on the Atlantic seaboard and was interested in commerce which started or ...
Page 630
... tunnel . We have seen that Gatun Lake can be kept full , but have yet to determine that it can be filled initially . An examination of the records of flow of the Chagres for all available years leaves no doubt that the water in the ...
... tunnel . We have seen that Gatun Lake can be kept full , but have yet to determine that it can be filled initially . An examination of the records of flow of the Chagres for all available years leaves no doubt that the water in the ...
Page 636
... tunnel in which all the machinery for operating the gate valves is placed . A chain is fastened to each side of the gate and passes over a sprocket - wheel on the adjoining pier , and then down through a vertical well to the machinery ...
... tunnel in which all the machinery for operating the gate valves is placed . A chain is fastened to each side of the gate and passes over a sprocket - wheel on the adjoining pier , and then down through a vertical well to the machinery ...
Page 654
... tunnels . The lowest tunnel is used for drainage of the upper ones , the center tunnel for electric light and power cables , and the upper one as a passageway for employes to reach the various chambers containing machinery for operating ...
... tunnels . The lowest tunnel is used for drainage of the upper ones , the center tunnel for electric light and power cables , and the upper one as a passageway for employes to reach the various chambers containing machinery for operating ...
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Common terms and phrases
1½ miles 45 feet actually American amount of water approach walls Balboa Bas Obispo Board of Consulting Bohio breakwater built Canal Company capacity carried cars Chagres River channel concrete cost cubic feet cubic yards Culebra Cut culvert depth developed discharge dredging dry season dump elevation enterprise estimated excavation feet above sea-level feet long feet per second flow French canal Gatun Dam Gatun Lake Gatun Locks Gulf of Panama Isthmian Canal Isthmian Canal Commission Isthmus Lake Nicaragua length Lesseps Limon Bay lock canal lock walls material ment Miraflores Lake Miraflores Locks Nicaragua route operating Pacific side Panama Canal Panama Railroad Panama route pass Photo by Underwood Porto Bello prevent problem rainy season rock sea-level canal sea-level section seepage ships shovels silt slides slopes spillway steam-shovel stone storage tion tons Toro Point track traffic train trestle tunnel United valley valves vessels width yellow fever