Instructions to Inspectors to Guide Them in The Inspection of Material and Workmanship Used in The Construction of State Aid Roads (USA F. J. Heer Printing Co., 1922)
Ohio. Department of Highways and Public Works.
At head of title: State of Ohio. Department of highways and public works. Division of highways.
Keywords: Applied Sciences (3GdYdhe GdJWHjbjIs; General -- Ohio; Roads