Bitumens and their essential constituents for road construction and maintenance.
| Other author | Hubbard, Prévost. |
| Other author | United States. Bureau of Public Roads. |
| Format | Microform |
| Publication Info | Washington : U.S. GPO, 1911. |
| Description | 16 pages ; cm. |
| Subjects |
| Series | Public Roads Office Circ. No. 93 |
| General note | Record is based on bibliographic data in CIS Index to U.S. Executive Branch Documents, 1910-1932. Reuse except for individual research requires license from LexisNexis Academic & Library Solutions. |
| Citation/References note | CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 5 |
| Reproduction note | Joyner- Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1997. 11 x 15 cm. (CIS US Executive Branch Documents, 1910-1932 : no. A22.4-93.D). |
| Govt. docs number | A 22.4:93 |