Progress report on maintenance and operations personnel.

Библиографические подробности
Соавтор:	National Research Council (U.S.). Transportation Research Board
Формат:	‌
Язык:	English
Опубликовано:	Washington, D.C. Transportation Research Board, National Research Council [1987]
Серии:	Transportation Research Circular Number 314
Предметы:	Highway departments > United States > Employees. Highway engineers > United States > Salaries, pensions, etc. Wages > Road construction workers > United States.