_:b15489 . _:b15680 _:b17784 . _:b16301 . _:b15680 . . _:b16301 _:b17350 . _:b15680 . "CracksDepth"@en . _:b16221 . _:b16221 . _:b15490 . _:b16221 . _:b15489 . _:b15490 . _:b16221 . _:b17350 . "Guidelines for Soil Description issued by the FAO: table 21,2"@en . . _:b15489 . _:b15489 . _:b17784 _:b16301 . _:b15490 . _:b15680 . _:b15490 . _:b17350 .