. Railroad structures and estimates . Bents U C. to C. I \ Fig. 34. BaUasted Floor Trestle, H. T. & S. Fe. Ry. -110- -7 0- %x 29Bolt-1^Cast Iron Separator-t| 7 X IC Stringers : ; 10 Per Pane-f. 6 X S s S 0 Tie , -7 0- TlQj H-Cx8x 280 Guard Raa v^-+2 6-^. is^^^g-3 X 8 X U 0. Plank X 6 X UoSpiked to J f /Stringers with V* ^ ~~X3oat Spikes ift Bolt Fig. 35. Ballast Floor Trestle, 111. Cent. PILE AND TRESTLE BRIDGES. 131 013 ^ Kj C 3 -^ 13 CO u DC 0 Q ce rr q: 0 0 00 III II ce _j 1 < Li. C/1 III 0 Q 1- Q. < < ce . _i 1- ^ -I 07: < m u< 3 \J

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