Specifications for bituminous road mix surface dense-graded aggregate type, subclass B-1 :
effective June 1, 1937 ...

Description

Corporate Author

Illinois. Division of Highways.

Language(s)

English

Published

[Springfield, 1937]

Subjects

Pavements, Asphalt.

Note

At head of title: ... U.S. Bureau of Public Roads' class B.

Physical Description

10 p. ; cm.

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