*** Primary Characterization Data ***

Pedon ID: 1984IL013003

( Calhoun, Illinois )

Print Date: Jan 8 2026 4:46PM

Sampled as on Jan 30, 1984:	Tice
Revised to correlated:	Tice ; Fine-silty, mixed, superactive, mesic Fluvaquentic Hapludolls

				State of Illinois
SSL	-	Project	IL200817   University of Illinois, Soil Characterization Data Book #16	University of Illinois
	-	Site ID	1984IL013003   Lat: 39° 20' 15.44" north  Long: 90° 46' 47.13" west  MLRA: 115C	Soil Characterization Laboratory
	-	Pedon No.	84IL013003	Department of Natural Resources and Environmental Science
	-	General Methods 1B1A, 2A1, 2B		Urbana, Illinois

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
IL30643	Ap	Ap	0-15					SIL
IL30644	A	A	15-30					SIL
IL30645	AB	AB	30-43					SICL
IL30646	Bw1	Bw1	43-76					SICL
IL30647	Bw2	Bw2	76-97					SICL
IL30648	BC	BC	97-145					SIL
IL30649	C	C	145-152					SIL

---

---

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
IL30643	0-15	Ap	S	sil	23.0	71.0	4.0
IL30644	15-30	A	S	sil	24.0	70.0	4.0
IL30645	30-43	AB	S	sicl	27.0	65.0	6.0
IL30646	43-76	Bw1	S	sicl	32.0	62.0	5.0
IL30647	76-97	Bw2	S	sicl	31.0	59.0	9.0
IL30648	97-145	BC	S	sil	26.0	64.0	8.0
IL30649	145-152	C	S	sil	23.0	60.0	16.0					12.0	3.0	--	--	--

*** Primary Characterization Data ***

Pedon ID: 1984IL013003

( Calhoun, Illinois )

Print Date: Jan 8 2026 4:46PM

Sampled As	:	Tice
University of Illinois Soil Survey Laboratory			;	Pedon No.  84IL013003

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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 - - - - -)

6A1a

IL30643

0-15

Ap

S

1.10

IL30644

15-30

A

S

0.90

IL30645

30-43

AB

S

0.70

IL30646

43-76

Bw1

S

0.40

IL30647

76-97

Bw2

S

0.50

IL30648

97-145

BC

S

0.70

IL30649

145-152

C

S

--

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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

8C1a

IL30643

0-15

Ap

S

7.3

IL30644

15-30

A

S

6.1

IL30645

30-43

AB

S

5.3

IL30646

43-76

Bw1

S

4.9

IL30647

76-97

Bw2

S

4.8

IL30648

97-145

BC

S

5.2

IL30649

145-152

C

S

5.4