- 1. Concrete Bridges (score: 1)
- Author: hold-on@s...
- Date: Wed, 04 Apr 2001 23:39:57 -0700
- Railway Maintenance Engineer Dec. 1921 Talks about "A Modern Concrete Slab and Pile Plant" Havelock, Neb Railway Maintenance Engineer June 1921 "How Concrete Pile Trestles are Built" Gives drawings f
- /archives/BRHSLIST/2001-04/msg00041.html (7,089 bytes)
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