500 tons of materials in a year's time for each mile of unpaved road. to replace the lost...

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Page 1: 500 tons of materials in a year's time for each mile of unpaved road. To replace the lost gravel can cost from $1,000 to $1,500 per mile each year for just
Page 2: 500 tons of materials in a year's time for each mile of unpaved road. To replace the lost gravel can cost from $1,000 to $1,500 per mile each year for just
Page 3: 500 tons of materials in a year's time for each mile of unpaved road. To replace the lost gravel can cost from $1,000 to $1,500 per mile each year for just
Page 4: 500 tons of materials in a year's time for each mile of unpaved road. To replace the lost gravel can cost from $1,000 to $1,500 per mile each year for just