Properties of Attributes in entity 9 table: Soil morphological data - Horizon level

    DATACODE NNchar(5) freetextnominal     
    FORMAT NNnumeric(2,0) range interval natural 9.-9. number
    STAND YNchar(4) placenominal     
    PLOT YNnumeric(4,0) range ratio natural 101.-1005. number
    YEAR NNnumeric(4,0) range datetime  1981.-1982.1.year (yyyy)
    MMDD NNnumeric(4,0) range datetime as month and day
    HORIZON YNnumeric(1,0) range ratio natural 1.-4. number
    THICKNESS NNnumeric(3,0) range ratio natural 4.-97. centimeters
    TEXTURE NNchar(2) enumnominal     
    COARSE1 NNnumeric(2,0) range ratio whole 0.-100. percent
    COARSE2 NNnumeric(2,0) range ratio whole 0.-100. percent
    COLOR NYchar(6) freetextnominal