*** Taxonomy Characterization Data ***

Pedon ID: S1971SD065001

( Hughes, South Dakota )

Print Date: Feb 16 2025 5:21AM

Sampled as on May 30, 1971:	Demky
Revised to correlated:	DEMKY ; Fine, montmorillonitic, mesic Glossic Natrustolls

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1971SD065001   Lat: 44° 30' 20.00" north  Long: 99° 50' 42.00" west  MLRA: 53C	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A2505	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

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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				4A1d
40A19664	0-10	A1	S	21.7			0.56		10	1.12	0.032	--
40A19665	10-18	A2	S	25.0			0.46		11	1.14	0.034	--
40A19666	18-23	B/A	S	26.3			0.41		13			--
40A19667	23-36	Bt1	S	41.1		tr	0.44		14	1.42	0.086	--
40A19668	36-48	Bt2	S	39.5		8.0	0.36		17	1.46	0.053	1
40A19669	48-71	Bk	S	39.0		8.0	0.36		18	1.26	0.045	1
40A19670	71-104	Byz1	S	32.5		4.0	0.42		22	1.25	0.057	2
40A19671	104-135	Byz2	S	33.9		2.0	0.44		22	1.31	0.041	2
40A19672	135-152	Byz3	S	32.3		--	0.48		22	1.42	0.033	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	%
				8C1a		6A1a				6E1a								8A1a	5D2
40A19664	0-10	A1	S	7.2		2.79				--	100*	89			1.13			0.81	1
40A19665	10-18	A2	S	6.5		1.89				--	95	79			0.89			0.44	2
40A19666	18-23	B/A	S	6.5		1.36				--	96	81			0.81			0.48	3
40A19667	23-36	Bt1	S	7.5		0.92				--	100*	100			0.78			0.90	5
40A19668	36-48	Bt2	S	8.4		0.61				19	100*	100			0.57			1.30	10
40A19669	48-71	Bk	S	7.8		0.49				16		100			0.56			6.68	9
40A19670	71-104	Byz1	S	8.1		0.38				12		100			0.64			10.60	12
40A19671	104-135	Byz2	S	8.0		0.30				10		100			0.64			11.30	14
40A19672	135-152	Byz3	S	7.9		0.23				11		100			0.61			8.59	12

^*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	0.75	(NA)
Clay, carbonate free, Weighted Average	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	15	% wt
Clay, total, Weighted Average	40	% wt
Weighted averages based on control section: 23-48 cm