*** Primary Characterization Data ***

Pedon ID: 1978IL157035

( Randolph, Illinois )

Print Date: Mar 2 2025 8:59AM

Sampled as on Jul 30, 1978:	Okaw
Revised to correlated:	Okaw ; Fine, smectitic, mesic Chromic Vertic Albaqualfs

				State of Illinois
SSL	-	Project	IL200811   University of Illinois, Soil Characterization Data Book #10	University of Illinois
	-	Site ID	1978IL157035   Lat: 38° 11' 27.98" north  Long: 89° 53' 48.79" west  MLRA: 114B	Soil Characterization Laboratory
	-	Pedon No.	78IL157035	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
IL26087	A1	A1	0-8					SIL
IL26088	A21	A21	8-20					SIL
IL26089	A22	A22	20-36					SIL
IL26090	B1	B1	36-51					SIC
IL26091	B21	B21	51-74					C
IL26092	B22	B22	74-109					C
IL26093	B3	B3	109-127					C
IL26094	C	C	127-152					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
IL26087	0-8	A1	S	sil	18.0	60.0	20.0
IL26088	8-20	A21	S	sil	15.0	60.0	24.0
IL26089	20-36	A22	S	sil	24.0	54.0	20.0
IL26090	36-51	B1	S	sic	41.0	43.0	14.0
IL26091	51-74	B21	S	c	49.0	38.0	12.0
IL26092	74-109	B22	S	c	57.0	33.0	8.0
IL26093	109-127	B3	S	c	58.0	33.0	7.0
IL26094	127-152	C	S	c	53.0	36.0	9.0

*** Primary Characterization Data ***

Pedon ID: 1978IL157035

( Randolph, Illinois )

Print Date: Mar 2 2025 8:59AM

Sampled As	:	Okaw
University of Illinois Soil Survey Laboratory			;	Pedon No.  78IL157035

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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

IL26087

0-8

A1

S

4.20

IL26088

8-20

A21

S

1.10

IL26089

20-36

A22

S

--

IL26090

36-51

B1

S

--

IL26091

51-74

B21

S

--

IL26092

74-109

B22

S

--

IL26093

109-127

B3

S

--

IL26094

127-152

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

IL26089

20-36

A22

S

4.9

IL26090

36-51

B1

S

4.4

IL26091

51-74

B21

S

4.3

IL26092

74-109

B22

S

4.3