U. S. electric railways have in use approximately 101,000,000 wood ties, and buy 4,700,000 ties per year, of which only 1,170,000 are treated. Address before Nat. Assn. of Railroad Tie Producers.
The requirements of electric railways
Elec. Ry. Jl
Electric Railway Journal ; 73 , n 14
1929
2 pages
Article (Journal)
English
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