00941cam a22002771a 4500001001300000003000400013005001700017008004100034010001700075035001900092040005000111042001200161050002000173051002100193051001400214070001900228245007600247246007600323260004400399300002000443440006100463500005000524650003800574650003600612999001500648agr14000007 DLC20260227110936.0821214s1913 dcu f000 0 eng c aagr14000007  a(OCoLC)9053928 aU. S. Dept. of AgriculturecICarbSdDNALdDLC apremarc00aS21b.A7 no. 53 aTE1b.U65 no. 53 aTE23b.O20 a1bAg84B no.5300aObject-lesson and experimental roads, and bridge construction, 1912-13.3 aObject lesson and experimental roads, and bridge construction, 1912-13. aWashington :bGovt. Print. Off.,c1913. a34 p. ;c23 cm. 0aBulletin of the U.S. Department of Agriculture ;vno. 53 aContribution from the Office of Public Roads. 0aBridgesxDesign and construction. 0aRoadsxDesign and construction. c8276d8276