COLUMN_NAME SAMPLE_TYPE UNITS LABEL FORMABBR VAR_TYPE RANGE_HIGH RANGE_LOW LEGAL_VALUES ABRUPT SOIL_PROF Lower horizon boundary is abrupt (= 2cm thick) NWCA_SOILPROF-FRONT CHARACTER |Y ABSENT SOIL_PROF "Absence of redoximorphic, organic, or mottle features" NWCA_SOILPROF-FRONT CHARACTER |Y COMP_C SOIL_PROF Feature is composed of Carbon NWCA_SOILPROF-FRONT CHARACTER |CARBON COMP_FE SOIL_PROF Feature is composed of Iron NWCA_SOILPROF-FRONT CHARACTER |IRON COMP_MN SOIL_PROF Feature is composed of Manganese NWCA_SOILPROF-FRONT CHARACTER |MANGANESE COMP_U SOIL_PROF Unable to specify compostion of feature NWCA_SOILPROF-FRONT CHARACTER |UNSPECIFIED DATE_COL Date of primary site visit DEPTH SOIL_PROF cm Provides information on the location of a horizon in the soil profile and its thichness in cm. Horizon thickness = depth of lower horzion boundary - the depth of lower boundary of horizon above. NWCA_SOILPROF-FRONT NUMERIC 125 0 HORIZON SOIL_PROF "Horizon Number, consecutive numbers labeling horizons by increasing depth from the surface" NWCA_SOILPROF-FRONT CHARACTER Beginning with 1 consecutive numbers down to the deepest horizon. Seldom more than 9. HORIZON_DPF SOIL_PROF percent Percent of horizon with Distinct or Prominent features (See NWCA-FOM for definition) NWCA_SOILPROF-FRONT NUMERIC 100 0 LOAMY SOIL_PROF Horizon soil texture is loamy/clayey NWCA_SOILPROF-FRONT CHARACTER |Y MASKED_SAND SOIL_PROF percent Percent of horizon occupied by masked sand grains NWCA_SOILPROF-FRONT NUMERIC 100 0 MEF_CHROMA SOIL_PROF Chromaof the most evident redoximorphic features as determined using a Munsell Soil Color Book NWCA_SOILPROF-FRONT CHARACTER MEF_HUE SOIL_PROF Hue of the most evident redoximorphic features as determined using a Munsell Soil Color Book NWCA_SOILPROF-FRONT CHARACTER MEF_VALUE SOIL_PROF Value of the most evident redoximorphic features as determined using a Munsell Soil Color Book NWCA_SOILPROF-FRONT CHARACTER MOTORG_M SOIL_PROF Mottles NWCA_SOILPROF-FRONT CHARACTER |MOTTLES MOTORG_MS SOIL_PROF Masked sand grains NWCA_SOILPROF-FRONT CHARACTER |MASKED SAND GRAINS MOTORG_OB SOIL_PROF Organic bodies NWCA_SOILPROF-FRONT CHARACTER |ORGANIC BODIES MOTORG_OF SOIL_PROF Other organic features NWCA_SOILPROF-FRONT CHARACTER |OTHER ORGANIC SOIL_PROF Horizon soil texture is organic NWCA_SOILPROF-FRONT CHARACTER |P|M|MP|U PUBLICATION_DATE Date the dataset was published to the NARS site REDOX_D SOIL_PROF Redox depletions NWCA_SOILPROF-FRONT CHARACTER |DEPLETIONS REDOX_N SOIL_PROF Redox nodule NWCA_SOILPROF-FRONT CHARACTER |NODULES REDOX_P SOIL_PROF Redox pore lining NWCA_SOILPROF-FRONT CHARACTER |PORE_LININGS REDOX_S SOIL_PROF Redox soft mass NWCA_SOILPROF-FRONT CHARACTER |SOFT_MASSES ROCK_FRAGMENTS SOIL_PROF percent Percent of horizon occupied by rock fragments > 2mm NWCA_SOILPROF-FRONT NUMERIC 100 0 ROOTS SOIL_PROF percent Percent of horizon occupied by roots NWCA_SOILPROF-FRONT NUMERIC 100 0 SAMPLE_TYPE Code identifying sample type SANDY SOIL_PROF Horizon soil texture is sandy NWCA_SOILPROF-FRONT CHARACTER |Y SITE_ID Identification code for site SITE_USE Result classifies each point in a way that indicates how a point can be used in analysis or not SM_CHROMA SOIL_PROF soil Matrix Chroma as determined using a Munsell Soil Color Book NWCA_SOILPROF-FRONT CHARACTER SM_HUE SOIL_PROF Soil Matrix Hue as determined using a Munsell Soil Color Book NWCA_SOILPROF-FRONT CHARACTER SM_VALUE SOIL_PROF Soil Matrix Value as determined using a Munsell Soil Color Book NWCA_SOILPROF-FRONT CHARACTER STATE State abbreviation UID Unique identification number for a site visit VISIT_NO Visit number within the year