The results of physical tests of road-building rock
Contributors: Jackson, Frank H. (Frank Herbert), 1882-
Series: Bulletin / United States Department of Agriculture -- no. 370; Bulletin of the U.S. Department of Agriculture -- no. 370.
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Number of pages: 100
Subjects: Rocks; Testing; Road materials
Notes: Caption title.

"July 20, 1916."

"Professional paper."

One folded chart.

Chiefly tables.