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Old Posted Jul 19, 2008, 2:56 AM
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ardecila ardecila is offline
Join Date: Jun 2006
Location: the city o'wind
Posts: 15,928
Originally Posted by the urban politician View Post
^ I know, ridiculous.

I wonder how much it must have cost to build tunnels in 1900, when much of the subway system was built.
Construction costs were lower in 1900-1930, because of
a) cheap, non-union and non-mechanized, immigrant labor
b) shallow cut-and-cover construction (remove street, dig, lay tracks, rebuild street over the top)
c) less utilities under the streets
c) domestic building materials
la forme d'une ville change plus vite, hélas! que le coeur d'un mortel...
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