*** Taxonomy Characterization Data ***

Pedon ID: 78SD053011

( Gregory, South Dakota )

Print Date: Dec 4 2024 3:22AM

Sampled as on Jun 1, 1978:	Labu ; Fine, montmorillonitic, mesic Vertic Ustochrept
Revised to correlated:	Labu ; Very-fine, smectitic, mesic Vertic Ustochrepts

				United States Department of Agriculture
SSL	-	Project	CP78SD136   GREGORY COUNTY	Natural Resources Conservation Service
	-	Site ID	S1978SD053011   Lat: 43° 24' 57.00" north  Long: 99° 18' 55.00" west  MLRA: 63B	National Soil Survey Center
	-	Pedon No.	78P0364	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

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			8D1			4A1d
78P01984	0-10	A	S	60.8			0.46		3	1.18	0.063	tr
78P01985	10-30	B	S	59.0			0.46		64			40
78P01986	30-61	Bk	S	62.3			0.46		88	1.11	0.035	73
78P01987	61-69	C1	S	56.1			0.67		82			65
78P01988	69-94	C2	S	62.3			0.42		79			64
78P01989	94-127	Cr	S	60.8			0.43		7			3

---

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		6A1c				6E1b	5C1	5C3			8D1			8A1a	5D2
78P01984	0-10	A	S	7.9		1.86				tr	100*	100			0.79			0.72	--
78P01985	10-30	B	S	8.2		0.79				2	100*	100			0.75			0.55	--
78P01986	30-61	Bk	S	8.2		0.40				2	100*	100			0.84			0.54	tr
78P01987	61-69	C1	S	8.0		0.37				1	100*	100			1.52			0.60	tr
78P01988	69-94	C2	S	8.1		0.21				1	100*	100			0.72			0.58	1
78P01989	94-127	Cr	S	8.3		0.13				5	100*	100			0.67			0.43	2

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

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.87	(NA)
Clay, carbonate free, Weighted Average	61	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	82	% wt
Volume, >2mm, Weighted Average	68	% vol
Clay, total, Weighted Average	61	% wt
Weighted averages based on control section: 25-94 cm