. "Weathered-grade III rock"@en . "Weathered-grade III rock"@en . . "WRCIII"@en . . "Weathered-grade III rock - A type of weathered rock. Moderately weathered. Less than half of the rock material is decomposed or disintegrated to a soil. Fresh or discoloured rock is present either as a continuous framework or as corestones. British Geological Survey Research Report RR/99/04, table 12."@en . "stable"@en .