Portal:Roads/Did you know/DYKlisting
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< Portal:Roads | Did you know
... that the King road drag, a road grader widely used across North America for grading dirt roads in the early 20th century, was invented by D. Ward King?
... that the King road drag, a road grader widely used across North America for grading dirt roads in the early 20th century, was invented by D. Ward King?