00941cam a22002771a 4500 agr14000007 DLC 20260227110936.0 821214s1913 dcu f000 0 eng c agr14000007 (OCoLC)9053928 U. S. Dept. of Agriculture ICarbS DNAL DLC premarc S21 .A7 no. 53 TE1 .U65 no. 53 TE23 .O2 1 Ag84B no.53 Object-lesson and experimental roads, and bridge construction, 1912-13. Object lesson and experimental roads, and bridge construction, 1912-13. Washington : Govt. Print. Off., 1913. 34 p. ; 23 cm. Bulletin of the U.S. Department of Agriculture ; no. 53 Contribution from the Office of Public Roads. Bridges Design and construction. Roads Design and construction. 8276 8276