Iowa State highway maintenance study ; [supplement 1]; a report to the Iowa State Highway Commission and the U.S. Bureau of Public Roads, cosponsors, from their special group.
| Corporate Authors: | , |
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
National Academy of Sciences-National Research Council,
1961.
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| Series: | Special report (National Research Council (U.S.). Highway Research Board) ;
65. Publication (National Research Council (U.S.)) ; no. 922. |
| Subjects: |
| Physical Description: | 200 pages : illustrations |
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