Standard specifications for construction work on the primary road system
| Format: | Book |
|---|---|
| Published: |
Iowa :
Iowa State Highway Commission,
1930
|
| Subjects: |
| Physical Description: | 28 cm |
|---|
| Format: | Book |
|---|---|
| Published: |
Iowa :
Iowa State Highway Commission,
1930
|
| Subjects: |
| Physical Description: | 28 cm |
|---|
Program : International Exposition and demostration of road, construction and maintenance, equipment and materials