*** Primary Characterization Data ***

Pedon ID: 1981IL013024

( Calhoun, Illinois )

Print Date: Nov 28 2025 7:17AM

Sampled as on Aug 30, 1981:	Fayette
Revised to correlated on May 9, 2017:	Menfro ; Fine-silty, mixed, superactive, mesic Typic Hapludalfs

				State of Illinois
SSL	-	Project	IL200813   University of Illinois, Soil Characterization Data Book #12	University of Illinois
	-	Site ID	1981IL013024   Lat: 38° 58' 19.18" north  Long: 90° 38' 48.40" west  MLRA: 115C	Soil Characterization Laboratory
	-	Pedon No.	81IL013024	Department of Natural Resources and Environmental Science
	-	General Methods 1B1A, 2A1, 2B		Urbana, Illinois

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
IL27870	Ap	Ap	0-8					SICL
IL27871	B1	B1	8-20					SICL
IL27872	B21t	B21t	20-33					SICL
IL27873	B22t	B22t	33-64					SIL
IL27874	B23t	B23t	64-94					SIL
IL27875	B3t	B3t	94-122					SIL
IL27876	C	C	122-145					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
IL27870	0-8	Ap	S	sicl	27.0	69.0	2.0
IL27871	8-20	B1	S	sicl	27.0	69.0	2.0
IL27872	20-33	B21t	S	sicl	29.0	69.0	1.0
IL27873	33-64	B22t	S	sil	25.0	73.0	1.0
IL27874	64-94	B23t	S	sil	22.0	76.0	1.0
IL27875	94-122	B3t	S	sil	18.0	79.0	2.0
IL27876	122-145	C	S	sil	13.0	84.0	2.0

*** Primary Characterization Data ***

Pedon ID: 1981IL013024

( Calhoun, Illinois )

Print Date: Nov 28 2025 7:17AM

Sampled As	:	Fayette
University of Illinois Soil Survey Laboratory			;	Pedon No.  81IL013024

---

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

%

IL27875

94-122

B3t

S

0.74

IL27876

122-145

C

S

0.88

---

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 - - -)

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

6N2

6O2

6P2

6Q2

5A8b

IL27875

94-122

B3t

S

6.8

4.7

0.1

0.8

12.4

13.4

93

IL27876

122-145

C

S

7.7*

5.4

0.1

0.7

13.9

11.4

100

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

---

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 - -)

%

IL27875

94-122

B3t

S

1

IL27876

122-145

C

S

1

*** Primary Characterization Data ***

Pedon ID: 1981IL013024

( Calhoun, Illinois )

Print Date: Nov 28 2025 7:17AM

Sampled As	:	Fayette
University of Illinois Soil Survey Laboratory			;	Pedon No.  81IL013024

---

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

IL27870

0-8

Ap

S

6.3

IL27871

8-20

B1

S

6.2

IL27872

20-33

B21t

S

6.2

IL27873

33-64

B22t

S

5.5

IL27874

64-94

B23t

S

5.6

IL27875

94-122

B3t

S

6.0

IL27876

122-145

C

S

7.3