Hoyt, Charles Hamilton, Burr, William H. (William Hubert), 1851-1934, United States. Bureau of Public Roads · Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O. · leaf 29
Buf. 43, Office of Public Roads, U. S. Dept. of Agriculture. Plate VIII. … 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.
Bridges Design and construction · Culverts
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