USDA Soil Taxonomy (1960s)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:soil_classification_system
gptkbp:basisFor	soil classification worldwide
gptkbp:developedBy	gptkb:United_States_Department_of_Agriculture
gptkbp:hasHierarchy	gptkb:subfamily gptkb:book_series gptkb:family gptkb:state_order great group
gptkbp:influencedBy	gptkb:Soil_Classification:_A_Comprehensive_System_(Soil_Survey_Staff,_1960) gptkb:Soil_Survey_Manual
gptkbp:introducedIn	1960s
gptkbp:order	gptkb:Mollisols gptkb:Spodosols gptkb:Alfisols gptkb:Andisols gptkb:Aridisols gptkb:Entisols gptkb:Gelisols gptkb:Histosols gptkb:Inceptisols gptkb:Oxisols gptkb:Ultisols gptkb:Vertisols
gptkbp:usedIn	gptkb:United_States
gptkbp:bfsParent	gptkb:Alfisol
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	USDA Soil Taxonomy (1960s)