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

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

Opis bibliograficzny
organizacja autorów: HRB-AASHO Joint Committee on Maintenance and Operations Personnel, National Research Council (U.S.). Highway Research Board
Format: Książka
Wydane: Washington, D.C. Highway Research Board
Seria:Highway Research Circular no. 140.
Hasła przedmiotowe:
Highway departments > United States > Employees > Statistics.
Wages > Highway transport workers > United States.
Wages > Construction workers > United States.