*** Primary Characterization Data ***

Pedon ID: 1977IL157018

( Randolph, Illinois )

Print Date: Dec 4 2024 3:16AM

Sampled as on Sep 29, 1977:	Darmstadt
Revised to correlated:	Coulterville ; Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs

				State of Illinois
SSL	-	Project	IL200808   University of Illinois, Soil Characterization Data Book #07	University of Illinois
	-	Site ID	1977IL157018   Lat: 38° 4' 26.36" north  Long: 89° 43' 44.40" west  MLRA: 114B	Soil Characterization Laboratory
	-	Pedon No.	77IL157018	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
IL25237	Ap	Ap	0-15					SIL
IL25238	A2	A2	15-28					SIL
IL25239	B21t	B21t	28-46					SICL
IL25240	B22t	B22t	46-69					SICL
IL25241	B3	B3	69-127					SIL
IL25242	C1	C1	127-165					SIL
IL25243	C2	C2	165-183					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
IL25237	0-15	Ap	S	sil	14.0	79.0	6.0
IL25238	15-28	A2	S	sil	17.0	77.0	4.0
IL25239	28-46	B21t	S	sicl	33.0	62.0	3.0
IL25240	46-69	B22t	S	sicl	37.0	58.0	4.0
IL25241	69-127	B3	S	sil	24.0	72.0	3.0
IL25242	127-165	C1	S	sil	19.0	70.0	9.0
IL25243	165-183	C2	S	sil	21.0	71.0	7.0

*** Primary Characterization Data ***

Pedon ID: 1977IL157018

( Randolph, Illinois )

Print Date: Dec 4 2024 3:16AM

Sampled As	:	Darmstadt
University of Illinois Soil Survey Laboratory			;	Pedon No.  77IL157018

---

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

%

IL25239

28-46

B21t

S

0.53

IL25240

46-69

B22t

S

0.54

IL25241

69-127

B3

S

0.57

---

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

IL25237

0-15

Ap

S

1.83

IL25238

15-28

A2

S

--

IL25239

28-46

B21t

S

--

IL25240

46-69

B22t

S

--

IL25241

69-127

B3

S

--

IL25242

127-165

C1

S

--

IL25243

165-183

C2

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 - - -)

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

6P2

5A1a

IL25239

28-46

B21t

S

tr

17.6

IL25240

46-69

B22t

S

tr

20.0

IL25241

69-127

B3

S

0.1

13.6

*** Primary Characterization Data ***

Pedon ID: 1977IL157018

( Randolph, Illinois )

Print Date: Dec 4 2024 3:16AM

Sampled As	:	Darmstadt
University of Illinois Soil Survey Laboratory			;	Pedon No.  77IL157018

---

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 - -)

%

IL25239

28-46

B21t

S

--

IL25240

46-69

B22t

S

--

IL25241

69-127

B3

S

1

---

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

6E1e

IL25239

28-46

B21t

S

4.7

IL25240

46-69

B22t

S

5.2

IL25241

69-127

B3

S

7.1

tr