COLUMN_NAME	SAMPLE_TYPE	UNITS	LABEL	FORMABBR	VAR_TYPE	RANGE_HIGH	RANGE_LOW	LEGAL_VALUES
AG	SOCH	mg/kg	Silver trace element analysis		NUMERIC	175.62	0	
AL	SOCH	Percent	Aluminum by ammonium oxalate extraction		NUMERIC	15.62	0	
AL_DC	SOCH	Percent	Aluminum via Dithionite-Citrate Extraction		NUMERIC	8.6	0	
AS	SOCH	mg/kg	Arsenic trace element analysis		NUMERIC	1808.06	0	
BA	SOCH	mg/kg	Barium trace element analysis		NUMERIC	4415.8	0.02	
BE	SOCH	mg/kg	Beryllium trace element analysis		NUMERIC	29.98	0	
BULK_DEN_DBF	SOBD	g/cm3	Original entry:  Bulk Density (Dbf)  NRCS: bulk density field moist. gcc		NUMERIC	2.6	0.15	
CA	SOCH	cmol(+)/kg	Calcium CEC		NUMERIC	507.3	0	
CACO3_20MM	SOCH	Percent	"Original entry:  Calcium carbonate equivalent, <20mm                                                              NRCS:  Added text that value is calculated (from <2mm and 2-20mm lab results)
"		NUMERIC	96	0	
CACO3_2MM	SOCH	Percent	"Calcium carbonate equivalent, <2mm"		NUMERIC	105	0	
CACO3_2TO20MM	SOCH	Percent	NRCS addition:  Calcium carbonate equivalent 2-20mm		NUMERIC		0	
CD	SOCH	mg/kg	Cadmium trace element analysis		NUMERIC	85.68	0	
CEC	SOCH	cmol(+)/kg	Overall cation exchange capacity		NUMERIC	252	0	
CLAY	SOCH	Percent	Percent of soil that is clay		NUMERIC	93.1	0	
CO	SOCH	mg/kg	Cobalt trace element analysis		NUMERIC	1125.58	0	
CR	SOCH	mg/kg	Chromium trace element analysis		NUMERIC	2020.31	0	
CU	SOCH	mg/kg	Copper trace element analysis		NUMERIC	1036.28	0	
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	
EC	SOCH	mmhos/cm	Electrical conductivity		NUMERIC	167.4	0	
FE	SOCH	Percent	Iron by ammonium oxalate extraction		NUMERIC	20.15	0	
FE_DC	SOCH	Percent	Iron via Dithionite-Citrate Extraction		NUMERIC	36.6	0	
HG	SOCH	ug/kg	Mercury trace element analysis		NUMERIC	26060	0	
K	SOCH	cmol(+)/kg	Potassium CEC		NUMERIC	17.4	0	
MEHLICH_P	SOCH	mg P/kg	Mehlich Phosphorus		NUMERIC	1232.3	0	
MG	SOCH	cmol(+)/kg	Magnesium CEC		NUMERIC	147.1	0	
MN	SOCH	mg/kg	Manganese by ammonium oxalate extraction		NUMERIC	15730.7	0	
MN_DC	SOCH	Percent	Manganese via Dithionite-Citrate Extraction		NUMERIC	3.6	0	
MN_T	SOCH	mg/kg	Manganese trace element analysis		NUMERIC	692942	0	
MO	SOCH	mg/kg	Molybdenum trace element analysis		NUMERIC	235.17	0	
NI	SOCH	mg/kg	Nickel trace element analysis		NUMERIC	3347.36	0	
OLSEN_P	SOCH	mg P/kg	Olsen Phosphorus		NUMERIC	399.7	0	
P	SOCH	mg/kg	Phosphorus by ammonium oxalate extraction		NUMERIC	16926.4	0	
P_T	SOCH	mg/kg	Phosphorus trace analysis		NUMERIC	70708.6	0	
PB	SOCH	mg/kg	Lead trace element analysis		NUMERIC	12287.4	0	
PH_CACL2	SOCH	pH unit	pH using 1:2.0.01 M CaCl2		NUMERIC	10.5	2.3	
PH_H2O	SOCH	pH unit	pH using 1:1 H20		NUMERIC	10.5	2.4	
PUBLICATION_DATE			Date the dataset was published to the NARS site					
SAMPLE_ID	SOCH		Sample ID root code (tblSOILPROF) + horizon layer		CHARACTER			
SAMPLE_ID	SOIL_PROF		Sample ID root code used with horizon number	NWCA_SOILPROF-FRONT	CHARACTER			
SAMPLE_ID	SOBD		Sample ID root code (tblSOILPROF) + horizon layer		CHARACTER			
SAND	SOCH	Percent	Percent of soil that is sand		NUMERIC	94.5	0	
SB	SOCH	mg/kg	Antimony trace element analysis		NUMERIC	42.01	0	
SE	SOCH	ug/kg	Selenium trace element analysis		NUMERIC	16523.1	0	
SI	SOCH	Percent	Silicon by ammonium oxalate extraction		NUMERIC	6.13	0	
SILT	SOCH	Percent	Percent of soil that is silt		NUMERIC	100	0.1	
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					
SN	SOCH	mg/kg	Tin trace element analysis		NUMERIC	1117.66	0	
SR	SOCH	mg/kg	Strontium trace element analysis		NUMERIC	10895	0	
STATE			State abbreviation					
TOT_CARBON	SOCH	Percent	"Total Carbon (total C is assumed to be organic) (except  for calcareous soils, see above)"		NUMERIC	62.43	0	
TOT_NITROGEN	SOCH	Percent	Total Nitrogen		NUMERIC	11.193	0	
TOT_SULFUR	SOCH	Percent	Total Sulfur		NUMERIC	21.86	0	
UID			Unique identification number for a site visit					
V	SOCH	mg/kg	Vanadium trace element analysis		NUMERIC	1064.65	0	
VISIT_NO			Visit number within the year					
W	SOCH	mg/kg	Tungsten trace element analysis		NUMERIC	137.39	0	
ZN	SOCH	mg/kg	Zinc trace element analysis		NUMERIC	10379.1	0