Cover image for Soil and rock classification manual.
Soil and rock classification manual.
Title:
Soil and rock classification manual.
Author:
Oregon. State Highway Division.
Publication Information:
[Salem, Ore.] : Oregon Dept. of Transportation, Highway Division, 1987.
Physical Description:
50 p. : ill. ; 28 cm.
General Note:
"5-1-87"--Forward.
Added Corporate Author:
Holds: Copies: