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The Philadelphia tunnel of the Baltimore and Ohio railroad, its construction and cost
Paper by W. W. Thayer giving the details of this work. (See also Trans. A. S. C. E., Vol. XXVI, May, 1892, pp. 529-34)
The Philadelphia tunnel of the Baltimore and Ohio railroad, its construction and cost
Paper by W. W. Thayer giving the details of this work. (See also Trans. A. S. C. E., Vol. XXVI, May, 1892, pp. 529-34)
The Philadelphia tunnel of the Baltimore and Ohio railroad, its construction and cost
Trans ASCE
Thayer, W.W. (author)
1892
6 pages
Article (Journal)
English
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