Methods for the determination of the physical properties of road-building rock
By: by Frank H. Jackson, Jr
Series: Bulletin / United States Department of Agriculture -- no. 347; Bulletin of the U.S. Department of Agriculture -- no. 347.
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Number of pages: 28
Subjects: Road materials; Rocks
Notes: Cover title.

Contribution from the Office of Public Roads and Rural Engineering.