Part 1: discusses the importance of considering the environmental conditions and the materials available when planning to rework a gravel road. Part 2: covers the causes, prevention, and correction of problems that occur with gravel roads. Part 3: shows maintenance equipment and blading techniques.
1 in stock
medium | DVD |
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copyright | No |
subcategory | IF |
duration | 55 |
year-published | 1995 |
source | FHWA |