Problems of the Professional Highway Engineer

Authors

Hal H. Hale, American Association of State Highway Officials

Date of Version

April 1949

Recommended Citation

Hale, Hal H., "Problems of the Professional Highway Engineer" (1949). Purdue Road School. 5.
https://docs.lib.purdue.edu/roadschool/1949/proceedings/5

Start Date

4-11-1949 12:00 AM