*** Primary Characterization Data ***

Pedon ID: 1977IL157013

( Randolph, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled as on Jul 30, 1977:	Titus
Revised to correlated:	Dupo ; Coarse-silty over clayey, mixed over smectitic, superactive, nonacid, mesic Aquic Udifluvents

				State of Illinois
SSL	-	Project	IL200808   University of Illinois, Soil Characterization Data Book #07	University of Illinois
	-	Site ID	1977IL157013   Lat: 37° 59' 3.04" north  Long: 89° 57' 45.79" west  MLRA: 115B	Soil Characterization Laboratory
	-	Pedon No.	77IL157013	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
IL25219	Ap	Ap	0-23					SIL
IL25220	A1	A1	23-33					SICL
IL25221	B1	B1	33-56					SICL
IL25222	B21	B21	56-66					SICL
IL25223	B22	B22	66-84					SIC

---

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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
IL25219	0-23	Ap	S	sil	25.0	62.0	12.0
IL25220	23-33	A1	S	sicl	29.0	58.0	12.0
IL25221	33-56	B1	S	sicl	31.0	49.0	18.0
IL25222	56-66	B21	S	sicl	38.0	53.0	8.0
IL25223	66-84	B22	S	sic	48.0	47.0	3.0

*** Primary Characterization Data ***

Pedon ID: 1977IL157013

( Randolph, Illinois )

Print Date: Apr 29 2025 7:27AM

Sampled As	:	Titus
University of Illinois Soil Survey Laboratory			;	Pedon No.  77IL157013

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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

6E1e

IL25219

0-23

Ap

S

1

IL25220

23-33

A1

S

1

IL25221

33-56

B1

S

1

IL25222

56-66

B21

S

tr

IL25223

66-84

B22

S

tr