An informational guide for maintenance of drainage
developed by the Subcommittee on Highway Maintenance Standards of the AASHO Committee on Maintenance and Equipment
Bok Engelsk 1966 AASHO Committee on Maintenance and Equipment. Sub-Committee on Highway Maintenance Standards
| Utgitt | Washington : American Association of State Highway Officials , c1966
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|---|---|
| Omfang | [2] s.
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| Opplysninger | "Approved for publication as an informational guide by the AASHO Executive Committee on October 2, 1965."
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| Emner |
