Standard and tentative methods of sampling and testing highway materials : recommended by the Second Conference of State Highway Testing Engineers and Chemists, Washington, D.C., Feb. 23-27, 1920.
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| Corporate Authors: | , , |
|---|---|
| Format: | Government Document Conference Proceeding Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1921.
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| Series: | Bulletin of the U.S. Department of Agriculture ;
no. 949. |
| Subjects: |