*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled as on Jul 1, 1990:	Darmstadt ; Fine-silty, mixed, mesic Albic Natraqualf
Revised to correlated:	Darmstadt ; Fine, smectitic, mesic Aquic Natrudalfs

				United States Department of Agriculture
SSL	-	Project	CP91IL041   CLINTON AND WASHINGTON COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990IL027012	National Soil Survey Center
	-	Pedon No.	91P0162	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
91P00923	Ap1	Ap1	0-12				SIL	SIL
91P00924	Ap2	Ap2	12-21				SIL	SIL
91P00925	E1	E1	21-27				SIL	SIL
91P00926	E2	E2	27-32				SIL	SIL
91P00927	Bt1	Bt1	32-43				SIC	SIC
91P00928	Bt2	Bt2	43-65				SIC	SIC
91P00929	Btg	Btg1	65-94				SICL	SICL
91P00930	2Btg1	2Btg2	94-115				SIL	SIL
91P00931	2Btg2	2Btg3	115-144				SIL	SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.7	(NA)
Clay, carbonate free, Weighted Average	40	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	40	% wt
LE, Whole Soil, Summed to 1m	5	cm/m
Weighted averages based on control section: 32-82 cm

*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Darmstadt		Fine-silty, mixed, mesic Albic Natraqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0162

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a			3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
91P00923	0-12	Ap1	S	sil	12.4	80.3	7.3			46.5	33.8	1.5	2.4	2.0	1.1	0.3	tr	tr	--	7
91P00924	12-21	Ap2	S	sil	17.1	74.9	8.0			44.4	30.5	1.6	1.8	1.6	1.3	1.7	1	--	--	7	1
91P00925	21-27	E1	S	sil	17.3	75.4	7.3			46.0	29.4	1.4	1.7	2.1	1.5	0.6	1	tr	--	7	1
91P00926	27-32	E2	S	sil	20.0	73.5	6.5			45.2	28.3	1.4	1.5	1.8	1.4	0.4	tr	--	--	5
91P00927	32-43	Bt1	S	sic	51.7	46.0	2.3			30.4	15.6	0.6	0.7	0.6	0.3	0.1	tr	--	--	2
91P00928	43-65	Bt2	S	sic	44.6	53.5	1.9			34.4	19.1	0.9	0.5	0.3	0.1	0.1	tr	--	--	1
91P00929	65-94	Btg	S	sicl	27.4	69.5	3.1			44.7	24.8	1.0	0.8	0.6	0.5	0.2	--	--	--	2
91P00930	94-115	2Btg1	S	sil	21.6	64.5	13.9			35.9	28.6	3.6	5.5	3.8	0.8	0.2	tr	tr	--	10
91P00931	115-144	2Btg2	S	sil	20.4	57.7	21.9			29.7	28.0	5.3	8.9	6.0	1.4	0.3	tr	tr	--	17

---

Water Dispersible PSDA				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Dispersible - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)
				Clay	Silt	Sand	F	CO3	F	C	VF	F	M	C	VC
				<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1
	Depth			.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)
				3A1a6a	3A1a6a	3A1a6a			3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a	3A1a6a
91P00923	0-12	Ap1	S	3.0	87.6	9.4			49.6	38.0	2.9	2.7	2.2	1.0	0.6
91P00924	12-21	Ap2	S	4.4	86.5	9.1			52.0	34.5	2.6	2.0	1.8	1.5	1.2
91P00925	21-27	E1	S	7.2	83.9	8.9			51.9	32.0	2.1	1.7	2.0	1.8	1.3
91P00926	27-32	E2	S	8.7	83.6	7.7			52.3	31.3	1.3	1.5	1.7	2.2	1.0
91P00927	32-43	Bt1	S	19.4	72.5	8.1			49.4	23.0	4.5	2.2	0.9	0.4	0.1
91P00928	43-65	Bt2	S	14.9	77.9	7.2			53.1	24.8	3.8	2.1	1.0	0.3	--
91P00929	65-94	Btg	S	15.9	79.4	4.7			53.1	26.3	2.2	1.0	0.7	0.5	0.3
91P00930	94-115	2Btg1	S	14.9	71.2	13.8			40.0	31.2	3.8	5.5	3.4	0.9	0.2
91P00931	115-144	2Btg2	S	15.3	61.9	22.8			32.0	29.8	5.8	8.8	6.2	1.6	0.4

*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Darmstadt		Fine-silty, mixed, mesic Albic Natraqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0162

---

Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				4A1d	4A1h			4B1c	4B1c	3C2a1a		3D1		4C1	3F1a1a	8D1	8D1
91P00923	0-12	Ap1	S	1.46	1.50	0.009		26.3	24.2	6.3		1.009		0.26	4	0.80	0.51
91P00924	12-21	Ap2	S	1.42	1.45	0.007		26.3	24.0	7.7		1.011		0.23	7	0.60	0.45
91P00925	21-27	E1	S	1.44	1.47	0.007		25.6	23.8	7.2		1.011		0.24		0.60	0.42
91P00926	27-32	E2	S	1.43	1.49	0.014		26.7	24.2	8.8		1.013		0.22		0.61	0.44
91P00927	32-43	Bt1	S	1.33	1.78	0.102		30.4	30.2	22.2		1.036		0.11		0.63	0.43
91P00928	43-65	Bt2	S	1.40	1.77	0.081			27.2	21.0		1.032		0.09		0.65	0.47
91P00929	65-94	Btg	S	1.43	1.70	0.059		29.1	26.8	17.5		1.023		0.13		0.80	0.64
91P00930	94-115	2Btg1	S	1.50	1.64	0.030		27.5	25.2	11.7		1.018		0.20		0.83	0.54
91P00931	115-144	2Btg2	S	1.59	1.69	0.020		23.6	20.9	10.7		1.015		0.16		0.75	0.52

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F										3C1e1a
91P00923	0-12	Ap1	S	28	9										10.9
91P00924	12-21	Ap2	S												14.2
91P00925	21-27	E1	S	29	7										15.1
91P00926	27-32	E2	S												16.4
91P00927	32-43	Bt1	S	62	40										29.3
91P00928	43-65	Bt2	S												29.5
91P00929	65-94	Btg	S												23.2
91P00930	94-115	2Btg1	S												18.4
91P00931	115-144	2Btg2	S												15.9

*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Darmstadt		Fine-silty, mixed, mesic Albic Natraqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0162

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
					6B3a			6A1c		6C2b	6G7a	6D2a
91P00923	0-12	Ap1	S		0.117			1.29		1.2	0.1	0.1
91P00924	12-21	Ap2	S		0.079			0.65		1.7	0.1	0.2
91P00925	21-27	E1	S		0.060			0.42		1.7	0.2	0.1
91P00926	27-32	E2	S		0.052			0.35		2.0	0.2	0.1
91P00927	32-43	Bt1	S		0.097			0.75		2.2	0.3	tr
91P00928	43-65	Bt2	S					0.52		1.6	0.2	tr
91P00929	65-94	Btg	S					0.10		1.4	0.1	0.1
91P00930	94-115	2Btg1	S					0.13		1.0	0.1	tr
91P00931	115-144	2Btg2	S					0.05		1.0	0.1	tr

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a	6G9b	6D3	5A3a	5A8b	5A3b	5G1	5C3	5C1
91P00923	0-12	Ap1	S	8.3	0.7	--	0.6	9.6	3.8			13.4	9.9			72	97
91P00924	12-21	Ap2	S	4.3	0.4	tr	0.1	4.8	7.3	1.1	2.7	12.1	10.2	5.9	19	40	47
91P00925	21-27	E1	S	3.2	0.4	0.1	0.2	3.9	8.4	2.5	3.4	12.3	10.3	6.4	39	32	38
91P00926	27-32	E2	S	3.5	0.7	0.3	0.1	4.6	9.1	3.1	2.4	13.7	12.1	7.7	40	34	38
91P00927	32-43	Bt1	S	8.7	4.6	2.6	0.4	16.3	20.2	8.4	0.3	36.5	32.4	24.7	34	45	50
91P00928	43-65	Bt2	S	10.6	6.5	4.2	0.4	21.7	12.0	2.7	0.1	33.7	29.1	24.4	11	64	75
91P00929	65-94	Btg	S	11.5*	6.2	4.7	0.3	22.7	1.9			24.6	21.8			92	100
91P00930	94-115	2Btg1	S	10.4*	5.0	3.4	0.2	19.0	0.5			19.5	17.9			97	100
91P00931	115-144	2Btg2	S	8.8*	4.3	2.4	0.1	15.6	1.1			16.7	15.3			93	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Darmstadt		Fine-silty, mixed, mesic Albic Natraqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0162

---

Salt				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)																	1:2
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
91P00923	0-12	Ap1	S																			--
91P00924	12-21	Ap2	S																			--
91P00925	21-27	E1	S																			1
91P00926	27-32	E2	S																			2
91P00927	32-43	Bt1	S																		0.21	8
91P00928	43-65	Bt2	S																		0.23	14
91P00929	65-94	Btg	S	0.3	0.2	6.7	--	--	--	0.3	3.3				3.4	--	0.1	65.6	tr	0.88	0.42	20	13
91P00930	94-115	2Btg1	S	0.3	0.3	7.4	--	--	2.2	0.3	2.8				3.8	--	0.1	46.7	tr	0.91	0.36	17	14
91P00931	115-144	2Btg2	S																tr	0.22	0.22	16

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
					4C1a2a	4C1a2a	8C1b
91P00923	0-12	Ap1	S		5.5	5.8
91P00924	12-21	Ap2	S		4.4	4.8
91P00925	21-27	E1	S		4.2	4.5
91P00926	27-32	E2	S		4.2	4.8
91P00927	32-43	Bt1	S		4.1	4.8
91P00928	43-65	Bt2	S		4.4	5.3
91P00929	65-94	Btg	S		6.4	7.3	7.2
91P00930	94-115	2Btg1	S		6.6	7.4	7.5
91P00931	115-144	2Btg2	S		6.5	7.5

*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Darmstadt		Fine-silty, mixed, mesic Albic Natraqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0162

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7C3

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

91P00923

0.0-12.0

Ap1

tcly

MI 2

MM 2

KK 2

MT 1

QZ 1

10

4.9

0.8

91P00925

21.0-27.0

E1

tcly

KK 3

MT 3

VR 2

MI 2

MM 2

18

7.9

1.2

QZ 1

91P00927

32.0-43.0

Bt1

tcly

MT 3

KK 2

VR 2

MI 2

LE 1

21

9.6

1.2

91P00929

65.0-94.0

Btg

tcly

MT 3

MI 2

KK 2

MM 1

QZ 1

21

8.9

1.3

91P00931

115.0-144.0

2Btg2

tcly

MT 3

KK 2

MM 2

MI 2

QZ 1

20

9.0

1.1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	LE Lepidocrocite	MI Mica	MM Montmorillonite-Mica	MT Montmorillonite
QZ Quartz	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 90IL027012

( Clinton, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Darmstadt		Fine-silty, mixed, mesic Albic Natraqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0162

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Fine Earth Mineralogy (<2.0 mm)				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
				X-Ray					Thermal				Elemental							EGME	Inter
													SiO2	Al2O3	Fe2O3	MgO	CaO	K2O	Na2O	Retn	preta
	Depth		Fract																	7D2	tion
Layer	(cm)	Horz	ion	( - - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)							mg g-1
91P00923	0.0-12.0	Ap1	feth																	20.0
91P00924	12.0-21.0	Ap2	feth																	26.0
91P00925	21.0-27.0	E1	feth																	27.0
91P00926	27.0-32.0	E2	feth																	33.0
91P00927	32.0-43.0	Bt1	feth																	84.0
91P00928	43.0-65.0	Bt2	feth																	74.0
91P00929	65.0-94.0	Btg	feth																	52.0
91P00930	94.0-115.0	2Btg1	feth																	40.0
91P00931	115.0-144.0	2Btg2	feth																	35.0

FRACTION INTERPRETATION:
feth - Fine Earth <2 mm