Highway bridges and culverts . Buf. 43, Office of Public Roads, U. S. Dept. of Agriculture. Plate if! N3 Mil i«ij Hit i*u :**4 * *ill I-: rf9 — II lilt 4^1 tlgfe I illtil Hit Hit 1 ll f~» txM—r,o~ Bui. 43, Office of Public Roads, U. S. Dept. of Agriculture. Plate IX.

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Keywords: ., bookauthorhoytchar, bookcentury1900, bookdecade1910, bookyear1912