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

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

מידע ביבליוגרפי
Corporate Authors: HRB-AASHO Joint Committee on Maintenance and Operations Personnel, National Research Council (U.S.). Highway Research Board
פורמט: ספר
יצא לאור: Washington, D.C. Highway Research Board
סדרה:Highway Research Circular no. 140.
נושאים:
Highway departments > United States > Employees > Statistics.
Wages > Highway transport workers > United States.
Wages > Construction workers > United States.