Properties of Attributes in entity 4 table: Pre-logging cover and frequency data by plot

    DBCODE NNchar(5) enumnominal     
    ENTITY NNnumeric(2,0) range interval natural 4.-4. number
    WATERSHED NNchar(4) placenominal     
    PLOTID YNchar(8) placenominal     
    YEAR NNnumeric(4,0) range ratio natural 1973.-1973.1.number
    PLOT NNnumeric(2,0) range ratio natural 1.-36. number
    SPECIES YNchar(6) taxanominal     
    STRATUM YYchar(1) enumnominal     
    COVER NNnumeric(5,1) range ratio real 0.0-89.00.1percent
    FREQ NNnumeric(3,0) range ratio whole 0.-96. percent