Illustrated lecture on public-road improvement
By: Prepared in the Office of public roads and rural engineering ...
Series: United States. Dept. of agriculture. Syllabus -- 29
Publisher: Govt. print. off.
Published: 1917
Place of publication: Washington
Language: eng
Number of pages: 12
Subjects: Roads
Notes: Contribution from the States relations service ... in cooperation with the Office of public roads and rural engineering.

"References": p. 12.