Progress reports of experiments in dust prevention and road preservation, 1914
Series: Bulletin / United States Department of Agriculture -- no. 257; Bulletin of the U.S. Department of Agriculture -- no. 257.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 44
Subjects: Dirt roads; Dust control; Tarred roads; Oiled roads
Notes: Caption title.

"Contribution from the Office of Public Roads."

"Professional paper."