*** Taxonomy Characterization Data ***

Pedon ID: S1972IA045019

( Clinton, Iowa )

Print Date: Sep 30 2026 12:08PM

Sampled as on Aug 17, 1971:	Harps ; Fine-loamy, mixed, superactive, mesic Typic Calciaquolls
Revised to correlated on Aug 17, 1971:	Harps ; Fine-loamy, mixed, superactive, mesic Typic Calciaquolls

				State of Iowa
SSL	-	Project	IAS201401   Iowa State Univeristy	Iowa State University
	-	Site ID	S1972IA045019   Lat: 41° 56' 42.05" north  Long: 90° 48' 9.67" west  MLRA: 104	Soil Characterization Laboratory
	-	Pedon No.	X23-95X-1	Iowa State University Soil Characterization Laboratory
	-	General Methods 1B1A, 2A1, 2B		Ames, Iowa 50011-1010

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Taxonomy Tier 1

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

Fine

CaCO3

1500

.1-75

Bulk

Cole

Vol

Resist

Clay

Clay

Clay

kPa

Clay

mm

Den

Whole

% of

Min

Depth

<.002

<.0002

<.002

/Clay

Est

Frac

33 kPa

Soil

Whole

%

Layer

(cm)

Horz

Prep

(---------% of <2 mm-------)

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

g cm-3

cm cm-1

3A1

ISU00444

0-20

Ap

S

24.0

ISU00445

20-48

A

S

31.9

ISU00446

48-74

AB

S

39.6

ISU00448

74-86

Bt

S

35.1

ISU00449

86-97

BC1

S

43.0

ISU00451

97-112

BC2

S

38.7

ISU00452

112-132

Cca

S

31.7

ISU00453

132-160

2C

S

14.7

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Taxonomy Tier 2

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

pH

pH

Org

Tot

Al+½ Fe

CO3 as

(--- Base Sat ---)

NZ

ECEC

CEC7

ECEC

Al

Depth

H2O

NaF

C

C

Oxal

ODOE

CaCO3

NH4

Bases

P Ret

cmol(+)

/Clay

/Clay

Sat

E C

ESP

Layer

(cm)

Horz

Prep

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

kg -1

%

dS m-1

%

4C1a2a

ISU00444

0-20

Ap

S

7.4

ISU00445

20-48

A

S

7.5

ISU00446

48-74

AB

S

7.6

ISU00448

74-86

Bt

S

7.5

ISU00449

86-97

BC1

S

7.3

ISU00451

97-112

BC2

S

7.3

ISU00452

112-132

Cca

S

7.6

ISU00453

132-160

2C

S

7.6

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