The removal of topsoil before an excavation or embankment is begun.(noun)
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Use "topsoiling" in a sentence
"Grading, draining and topsoiling road, route 103 from Mebane to route 144"
"Most of the resurfacing was in the nature of topsoiling and sand graveling, although about one hundred projects involved the surfacing of roads with stone."
"Scarify old macadam topsoiling Bringle Ferry road, Salisbury-High Point road"