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- 68062401 contributor B1871947.
- 68062401 created "1968.".
- 68062401 date "1968".
- 68062401 date "1968.".
- 68062401 dateCopyrighted "1968.".
- 68062401 description "An investigation of wind loads on roadside signs, by H. E. Ross, Jr., R. M. Olson, and A. M. Gaddis.--Design criteria for break-away sign supports, by T. C. Edwards, T. J. Hirsch, and R. M. Olson.--Impact behavior of luminaire supports, by N. J. Rowan and T. C. Edwards.--An analytical solution of the impact behavior of luminaire support assemblies, by J. E. Martinez.--Dynamic tests of steel box beam and concrete median barriers, by E. F. Nordlin and R. N. Field.--Machine-driving of wooden posts, by C. J. Gatchell.".
- 68062401 description "Includes bibliographies.".
- 68062401 description "With: Embankment analysis, settlement, and seepage. Washington : Highway Research Board, National Research Council, 1968. Bound together subsequent to publication. DLC".
- 68062401 extent "98 p.".
- 68062401 isPartOf "Highway research record no. 222".
- 68062401 isPartOf "National Academy of Sciences. Publication 1568.".
- 68062401 isPartOf "Publication (National Research Council (U.S.)) ; no. 1568.".
- 68062401 issued "1968".
- 68062401 issued "1968.".
- 68062401 language "eng".
- 68062401 publisher "Washington, Highway Research Board, National Research Council,".
- 68062401 subject "625.7/6".
- 68062401 subject "Roads Guard fences.".
- 68062401 subject "TE7 .H5 no. 222".
- 68062401 subject "Traffic signs and signals Break-away supports.".
- 68062401 tableOfContents "An investigation of wind loads on roadside signs, by H. E. Ross, Jr., R. M. Olson, and A. M. Gaddis.--Design criteria for break-away sign supports, by T. C. Edwards, T. J. Hirsch, and R. M. Olson.--Impact behavior of luminaire supports, by N. J. Rowan and T. C. Edwards.--An analytical solution of the impact behavior of luminaire support assemblies, by J. E. Martinez.--Dynamic tests of steel box beam and concrete median barriers, by E. F. Nordlin and R. N. Field.--Machine-driving of wooden posts, by C. J. Gatchell.".
- 68062401 title "Guardrails, median barriers, and sign and light supports; 6 reports.".
- 68062401 type "text".