_:b15509 . _:b17331 . _:b16237 . _:b16237 . _:b15619 . _:b15619 _:b17765 . _:b15509 . _:b16282 _:b17331 . _:b16237 . _:b15510 . _:b15509 . _:b17765 _:b16282 . . _:b15619 . _:b16237 . _:b16282 . _:b15510 . _:b15509 . _:b15510 . _:b15510 . "Guidelines for Soil Description issued by the FAO: table 15,1"@en . . _:b15619 . "FragmentCover"@en . _:b17331 .