"CN","PLT_CN","INVYR","STATECD","COUNTYCD","O3PLOT","FIELD_ID","SPLIT_PLOTID","SMPKNDCD","MEASDAY","MEASMON","MEASYEAR","PLTSIZE","ASPECT","TERRPOS","SOILDPTH","SOILDRN","PLTDSTRB","QASTATCD","CRWTYPCD","PLOTWET","INJCHECK","GRIDDEN","CREATED_BY","CREATED_DATE","CREATED_IN_INSTANCE","MODIFIED_BY","MODIFIED_DATE","MODIFIED_IN_INSTANCE"