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The role of the engineering district in PaDOT in the mid-1980s Thomchick, Evelyn ; Littleton, Francis

By: Contributor(s): Publication details: University Park PA Pennsylvania State University, 1985; Pennsylvania Transportation Institute, ; PTI report 8508, Description: 149 sSubject(s): Bibl.nr: VTI P6280:8508Location:
Item type: Reports, conferences, monographs