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Progress report of HRB-AASHO Joint Committee on Maintenance and Operations Personnel.

Detalles Bibliográficos
Corporate Authors: HRB-AASHO Joint Committee on Maintenance and Operations Personnel, National Research Council (U.S.). Highway Research Board
Formato: Libro
Publicado: Washington, D.C. Highway Research Board
Series:Highway Research Circular no. 140.
Subjects:
Highway departments > United States > Employees > Statistics.
Wages > Highway transport workers > United States.
Wages > Construction workers > United States.