. "Sediment containing greater than 30 percent boulder-size particles (greater than 256 mm in diameter)"@en . . . . "http://inspire.ec.europa.eu/codelist/LithologyValue/boulderGravelSizeSediment"^^ . "boulder gravel size sediment"@en . "2015-08-18 18:01 PM CEST"^^ . . . "boulder gravel size sediment"@en . . . . . . "Sediment containing greater than 30 percent boulder-size particles (greater than 256 mm in diameter)"@en . . .