Care of roads during the spring break-up
By: by Ben H. Petty ... a talk broadcast from the Purdue radio station, Monday, March 12, 1923 ...
Publisher: Purdue University
Published: 1923
Place of publication: LaFayette, Ind
Language: eng
Subjects: Roads
Notes: At head of title: Purdue University. Publications of the Engineering Departments. Vol. VII, no. 4. April, 1923.