*** Taxonomy Characterization Data ***

Pedon ID: S2014SD129006B

( Walworth, South Dakota )

Print Date: Oct 5 2026 2:13AM

Sampled as on Nov 4, 2014:	Mobridge ; Fine, smectitic, superactive, frigid Pachic Argiustolls
Revised to :

				United States Department of Agriculture
SSL	-	Project	C2015USSD014   DSP SD Walworth Co. 2014	Natural Resources Conservation Service
	-	Site ID	S2014SD129006   Lat: 45° 20' 36.67" north  Long: 99° 59' 29.78" west  MLRA: 53B	National Soil Survey Center
	-	Pedon No.	15N0426	Kellogg Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a		3A1a1a
15N02191	0-2	Ap1	S	23.6			0.72	22.2	17			tr
15N02192	2-15	Ap2	S	24.1			0.45		15			tr
15N02193	15-25	Bt1	S	34.0		--	0.43		8			--
15N02194	25-36	Bt2	S	30.9		--	0.45		9			--
15N02195	36-55	Bt3	S	25.8		0.3	0.43		14			2

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Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				4C1a2a			4H2a			4E1a1a1a1								4F2
15N02191	0-2	Ap1	S	6.1			8.21				100*	74			1.35			1.86	tr
15N02192	2-15	Ap2	S	6.1			2.34				92	68			0.92				--
15N02193	15-25	Bt1	S	6.4			1.18				99				0.76				--
15N02194	25-36	Bt2	S	6.9			0.69			--	100*				0.78				--
15N02195	36-55	Bt3	S	7.9			0.96			4	100*				0.74			0.51	tr

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	control depth 55 beyond last horizon depth 36	(NA)
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4	0.75	(NA)
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	control depth 55 beyond last horizon depth 36	% wt
Clay, total, Weighted Average	29	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	11	% wt
Clay, carbonate free, Weighted Average	control depth 55 beyond last horizon depth 36	% wt
Clay, carbonate free, Weighted Average	29	% wt
Weighted averages based on control section: 15-55 cm