*** Primary Characterization Data ***

Pedon ID: 1980IL157097

( Randolph, Illinois )

Print Date: Feb 16 2025 5:37AM

Sampled as on May 30, 1980:	Keswick
Revised to correlated:	Ursa ; Fine, smectitic, mesic Chromic Vertic Hapludalfs

				State of Illinois
SSL	-	Project	IL200811   University of Illinois, Soil Characterization Data Book #10	University of Illinois
	-	Site ID	1980IL157097   Lat: 37° 58' 23.95" north  Long: 89° 47' 41.17" west  MLRA: 115B	Soil Characterization Laboratory
	-	Pedon No.	80IL157097	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
IL27587	A1	A1	0-18					SIL
IL27588	A2	A2	18-28					SIL
IL27589	B1	B1	28-38					SIL
IL27590	B21t	B21t	38-64					SICL
IL27591	IIB22t	IIB22t	64-112					C
IL27592	IIB23t	IIB23t	112-130					CL
IL27593	IIB31	IIB31	130-147					C
IL27594	IIB32	IIB32	147-168					C

---

---

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
IL27587	0-18	A1	S	sil	16.0	78.0	5.0
IL27588	18-28	A2	S	sil	23.0	72.0	4.0
IL27589	28-38	B1	S	sil	24.0	70.0	6.0
IL27590	38-64	B21t	S	sicl	32.0	59.0	7.0
IL27591	64-112	IIB22t	S	c	50.0	28.0	21.0					4.0	8.0	6.0	1.0	1.0
IL27592	112-130	IIB23t	S	cl	38.0	35.0	26.0					3.0	11.0	8.0	2.0	1.0
IL27593	130-147	IIB31	S	c	42.0	39.0	18.0					4.0	7.0	4.0	1.0	--
IL27594	147-168	IIB32	S	c	52.0	32.0	15.0					4.0	5.0	3.0	1.0	1.0

*** Primary Characterization Data ***

Pedon ID: 1980IL157097

( Randolph, Illinois )

Print Date: Feb 16 2025 5:37AM

Sampled As	:	Keswick
University of Illinois Soil Survey Laboratory			;	Pedon No.  80IL157097

---

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

%

IL27589

28-38

B1

S

0.60

IL27590

38-64

B21t

S

0.86

IL27591

64-112

IIB22t

S

0.51

IL27592

112-130

IIB23t

S

0.55

---

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

IL27587

0-18

A1

S

0.40

IL27588

18-28

A2

S

--

IL27589

28-38

B1

S

--

IL27590

38-64

B21t

S

--

IL27591

64-112

IIB22t

S

--

IL27592

112-130

IIB23t

S

--

IL27593

130-147

IIB31

S

--

IL27594

147-168

IIB32

S

--

---

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 - - -)

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

5A8b

IL27589

28-38

B1

S

14.3

IL27590

38-64

B21t

S

27.4

IL27591

64-112

IIB22t

S

25.7

IL27592

112-130

IIB23t

S

20.9

*** Primary Characterization Data ***

Pedon ID: 1980IL157097

( Randolph, Illinois )

Print Date: Feb 16 2025 5:37AM

Sampled As	:	Keswick
University of Illinois Soil Survey Laboratory			;	Pedon No.  80IL157097

---

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

IL27589

28-38

B1

S

4.7

IL27590

38-64

B21t

S

4.6

IL27591

64-112

IIB22t

S

4.3

IL27592

112-130

IIB23t

S

4.8