Estimation of highway needs for county primary road systems by sample survey methods /
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| Format: | Book |
| Language: | English |
| Published: |
Lafayette :
Purdue University,
1959.
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| Series: | Joint Highway Research Project (Ind.) (Series) ;
JHRP-59-25. |
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| Physical Description: | 21 leaves : illustrations ; 28 cm. |
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