. Solid floors : railroad bridges . kOld *0/d65/b Rails 80 lb. Rails For IZFt. Clear Span. •-—M Concrete orOrout ^riyirxxxti*** ttttttittttttttttttttttttt t t t t t t b& Old65lb. Rails Old 801bRails * Old 651URails —*■ No. I. For 10 Ft. Clear Span.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1913