. _:b12038 . _:b12038 . _:b12039 . _:b12039 . _:b12039 . _:b12029 _:b12036 . "Lithology"@en . _:b12034 _:b12035 . _:b12034 . _:b12034 . _:b12038 . _:b12029 . _:b12036 . _:b12038 . "Guidelines for Soil Description issued by the FAO: table 12"@en . . _:b12034 . _:b12036 . _:b12039 . _:b12035 _:b12029 .