*** Taxonomy Characterization Data ***

Pedon ID: S1991IL025001

( Clay, Illinois )

Print Date: May 19 2024 2:59PM

Sampled as on Dec 10, 2008:	Blair ; Fine-loamy, mixed, mesic Aquic Hapludalf
Revised to correlated:	Passport ; Fine-loamy, mixed, mesic Aquic Hapludalfs

				United States Department of Agriculture
SSL	-	Project	RP91IL191   CLINTON COUNTY	Natural Resources Conservation Service
	-	Site ID	S1991IL025001   Lat: 38° 45' 55.18" north  Long: 88° 16' 34.13" west  MLRA: 113	National Soil Survey Center
	-	Pedon No.	91P0831	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
91P05049	0-13	Ap	S	12.2			0.53		30			2
91P05050	13-20	Bt1	S	27.7			0.45		22			2
91P05051	20-30	Bt2	S	37.3			0.47		20			3
91P05052	30-58	Bt3	S	35.7			0.49		21			2
91P05053	58-87	Btg	S	32.9			0.44		23			2
91P05054	87-107	2Btg	S	33.6			0.45		24			3
91P05055	107-150	2BCg	S	27.7			0.47		36			5

---

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					5C1	5C3		5A3b	8D1		5G1		5D2
91P05049	0-13	Ap	S	6.5		0.91					100*	85			0.70				1
91P05050	13-20	Bt1	S	5.5		0.26					88	70		13.1	0.53	0.47	1		--
91P05051	20-30	Bt2	S	4.6		0.23					69	53		16.0	0.55	0.43	12		--
91P05052	30-58	Bt3	S	4.6		0.17					63	50		16.0	0.56	0.45	21		1
91P05053	58-87	Btg	S	4.8		0.06					64	59		14.2	0.60	0.43	11		1
91P05054	87-107	2Btg	S	5.8		0.08					67	74		15.2	0.64	0.45	5		tr
91P05055	107-150	2BCg	S	6.9		0.05					100*	91			0.64				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	0.56	(NA)
Clay, carbonate free, Weighted Average	35	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	21	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	35	% wt
Weighted averages based on control section: 13-63 cm