*** Taxonomy Characterization Data ***

Pedon ID: 90IL163009

( St. Clair, Illinois )

Print Date: Feb 16 2025 5:48AM

Sampled as on Jul 1, 1990:	Piasa ; Fine, montmorillonitic, mesic Typic Natralboll
Revised to correlated:	Biddle ; Fine, smectitic, mesic Mollic Albaqualfs

				United States Department of Agriculture
SSL	-	Project	CP91IL041   CLINTON AND WASHINGTON COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990IL163009	National Soil Survey Center
	-	Pedon No.	91P0170	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			8D1			4A1d
91P00991	0-27	Ap	S	11.0			0.39		1	1.46	0.002
91P00992	27-33	E	S	13.3			0.44		6	1.53	--	2
91P00993	33-53	Bt	S	40.3			0.40		1	1.35	0.084
91P00994	53-88	Btg1	S	37.1			0.48		2	1.37	0.081
91P00995	88-117	Btg2	S	30.4			0.53		2	1.39	0.065
91P00996	117-141	Btg3	S	25.6			0.57		2	1.35	0.058
91P00997	141-167	Btg4	S	18.4			0.55		1	1.38	0.035
91P00998	167-205	Btg5	S	16.6			0.51		8	1.44	0.042
91P00999	205-250	2Btg	S	15.3			0.47		23	1.57	0.027	1

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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		6A1c				6E1g	5C1	5C3			8D1			8A3a	5D2
91P00991	0-27	Ap	S	5.3		0.84					89	66			0.73				--
91P00992	27-33	E	S	5.8		0.41					93	74			0.66				2
91P00993	33-53	Bt	S	5.7		0.67					90	78			0.72				5
91P00994	53-88	Btg1	S	7.0		0.22				--	100*	92			0.79				12
91P00995	88-117	Btg2	S	7.2		0.09					100*	93			0.84			1.53	12
91P00996	117-141	Btg3	S	7.3		0.09					100*	93			0.80			1.30	12
91P00997	141-167	Btg4	S	7.1		0.09					100*	90			0.81			1.29	11
91P00998	167-205	Btg5	S	6.9		0.10					100*	87			0.79			0.77	9
91P00999	205-250	2Btg	S	6.8		0.08					90	88			0.76				6

^*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	0.77	(NA)
Clay, carbonate free, Weighted Average	38	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	38	% wt
LE, Whole Soil, Summed to 1m	5	cm/m
Weighted averages based on control section: 33-93 cm