00687cas|a2200169 i 450000500170000000800410001703500150005811001100007324500620018326000300024530000100027549000290028549000270031465000390034181000820038081000550046220260817161549.0030805s1958    us  uzm rtt  00|  a1eng d  a.b118913482 aNational Research Council.bHighway Research Board.bCommittee on Highway Organization and Administration10aAdministrative structure of local rural road organization  aWashington :bs.n.,c1958  a41 p.1 aSpecial report ;vno. 371 aPublication ;vno. 61510aHighway departmentszUnited States2 aNational Research Council.bHighway Research Board.tSpecial report ;vno. 372 aNational Research Council.tPublication ;vno. 615