*** Primary Characterization Data ***

Pedon ID: S1993IA015006

( Boone, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled as on May 17, 1993:	Okoboji ; Fine, montmorillonitic Cumulic Endoaquolls
Revised to correlated on Mar 16, 2015:	Okoboji ; Fine, smectitic, mesic Cumulic Vertic Endoaquolls

				United States Department of Agriculture
SSL	-	Project	CP93IA151   WALNUT CREEK,IA MESA	Natural Resources Conservation Service
	-	Site ID	S1993IA015006   Lat: 41° 59' 58.00" north  Long: 93° 43' 22.00" west  MLRA: 103	National Soil Survey Center
	-	Pedon No.	93P0539	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
93P03904	Ap	Ap	0-15				SICL	SIC
93P03905	A1	A1	15-25				SICL	SIC
93P03906	A2	A2	25-33				SICL	SIC
93P03907	A3	A3	33-52				SICL	SICL
93P03908	A4	A4	52-79				SICL	SICL
93P03909	Bg	Bg	79-105				SICL	SICL
93P03910	Cg1	Cg1	105-130				SIL	SICL
93P03911	Cg2	Cg2	130-156				L	SICL
93P03912	Cg3	Cg3	156-183				L	CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.05	(NA)
Clay, carbonate free, Weighted Average	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	36	% wt
LE, Whole Soil, Summed to 1m	9	cm/m
Weighted averages based on control section: 25-100 cm

*** Primary Characterization Data ***

Pedon ID: S1993IA015006

( Boone, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Okoboji		Fine, montmorillonitic Cumulic Endoaquolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0539

---

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	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
93P03904	0-15	Ap	S	sic	43.2	43.5	13.3	25.1		33.8	9.7	3.0	5.9	3.4	0.9	0.1	tr	--	--	10	--
93P03905	15-25	A1	S	sic	41.3	47.7	11.0	25.6		37.9	9.8	2.5	4.9	2.4	0.7	0.5	--	--	--	9	--
93P03906	25-33	A2	S	sic	40.1	46.4	13.5	24.6		33.9	12.5	4.6	5.6	2.8	0.4	0.1	--	--	--	9	--
93P03907	33-52	A3	S	sicl	32.7	64.2	3.1	17.3		33.0	31.2	1.3	1.1	0.6	0.1	--	--	--	--	2	--
93P03908	52-79	A4	S	sicl	35.2	57.0	7.8	18.3		33.1	23.9	3.3	2.9	1.3	0.3	tr	--	--	--	5	--
93P03909	79-105	Bg	S	sicl	39.8	55.3	4.9	13.8		38.1	17.2	1.6	1.8	0.9	0.5	0.1	--	--	--	3	--
93P03910	105-130	Cg1	S	sicl	29.7	66.2	4.1	9.8	4.3	46.9	19.3	2.1	1.2	0.5	0.2	0.1	tr	--	--	2	tr
93P03911	130-156	Cg2	S	sicl	30.5	50.9	18.6	10.2		39.9	11.0	2.7	2.8	1.9	10.9	0.3	--	--	2	18	2
93P03912	156-183	Cg3	S	cl	28.0	43.6	28.4	10.1	0.7	31.6	12.0	6.4	12.7	6.9	1.9	0.5	--	--	--	22	--

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
93P03904	0-15	Ap	S	1.13	1.60	0.123			38.1	25.2		1.042		0.15		1.34	0.58
93P03905	15-25	A1	S	1.14	1.59	0.117			39.1	27.2		1.041		0.14		1.44	0.66
93P03906	25-33	A2	S	1.14	1.57	0.113			39.8	24.9		1.040		0.17		1.46	0.62
93P03907	33-52	A3	S	1.13	1.43	0.082			37.5	18.8		1.030		0.21		1.21	0.57
93P03908	52-79	A4	S	1.28	1.53	0.061			29.5	18.3		1.029		0.14		0.98	0.52
93P03909	79-105	Bg	S	1.17	1.43	0.069			38.3	21.1		1.031		0.20		0.84	0.53
93P03910	105-130	Cg1	S	1.10	1.22	0.035			39.3	16.4		1.022		0.25		0.71	0.55
93P03911	130-156	Cg2	S	1.34	1.54	0.047			29.6	17.7		1.022		0.16		0.71	0.58
93P03912	156-183	Cg3	S	1.42	1.64	0.049			28.0	15.3		1.019		0.18		0.66	0.55

*** Primary Characterization Data ***

Pedon ID: S1993IA015006

( Boone, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Okoboji		Fine, montmorillonitic Cumulic Endoaquolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0539

---

Water Content

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

(- - Atterberg - -)

(- - - - - Bulk Density - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)

(- - - Limits - - -)

Field

Recon

Recon

Field

Recon

(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)

LL

PI

33

Oven

33

6

10

33

100

200

500

Depth

kPa

Dry

kPa

kPa

kPa

kPa

kPa

kPa

kPa

Layer

(cm)

Horz

Prep

pct <0.4mm

(- - - - - - - - g cm-3 - - - - - - -)

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

3C1e1a

93P03904

0-15

Ap

S

32.9

93P03905

15-25

A1

S

34.4

93P03906

25-33

A2

S

33.8

93P03907

33-52

A3

S

27.1

93P03908

52-79

A4

S

28.0

93P03909

79-105

Bg

S

31.7

93P03910

105-130

Cg1

S

30.2

93P03911

130-156

Cg2

S

27.2

93P03912

156-183

Cg3

S

22.1

---

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 - - - - -)
				6A2d	6B4a			6A1c		6C2b	6G7a	6D2a
93P03904	0-15	Ap	S	5.97	0.541			6.09	11	0.6	0.1	--
93P03905	15-25	A1	S	6.25	0.565			6.09	11	0.6	0.1	--
93P03906	25-33	A2	S	6.38	0.591			6.43	11	0.6	0.1	--
93P03907	33-52	A3	S	3.09	0.161			3.00	19	0.3	tr	--
93P03908	52-79	A4	S	1.70	0.317			1.41	4	0.7	tr	--
93P03909	79-105	Bg	S	1.30	0.176			0.98	6	0.5	tr	--
93P03910	105-130	Cg1	S					0.59		0.5	tr	--
93P03911	130-156	Cg2	S					0.43		1.2	tr	--
93P03912	156-183	Cg3	S					0.29		1.4	tr	--

*** Primary Characterization Data ***

Pedon ID: S1993IA015006

( Boone, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Okoboji		Fine, montmorillonitic Cumulic Endoaquolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0539

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a			5A3a	5A8b			5C3	5C1
93P03904	0-15	Ap	S	47.9	6.5	0.1	1.5	56.0	8.2			64.2	57.8			87	97
93P03905	15-25	A1	S	50.1	6.1	0.2	1.1	57.5	8.3			65.8	59.6			87	96
93P03906	25-33	A2	S	48.9	5.4	0.1	1.0	55.4	8.6			64.0	58.7			87	94
93P03907	33-52	A3	S	32.3	4.2	0.1	0.8	37.4	5.0			42.4	39.7			88	94
93P03908	52-79	A4	S	29.6*	5.0	0.1	0.8	35.5	5.8			41.3	34.5			86	100
93P03909	79-105	Bg	S	28.0*	6.0	0.2	1.1	35.3	1.8			37.1	33.5			95	100
93P03910	105-130	Cg1	S	48.4*	5.4	0.2	0.5						21.0			100	100
93P03911	130-156	Cg2	S	48.2*	6.6	0.2	0.8						21.8			100	100
93P03912	156-183	Cg3	S	43.3*	7.0	0.2	0.5						18.6			100	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

---

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 - -)

%

93P03904

0-15

Ap

S

tr

93P03905

15-25

A1

S

tr

93P03906

25-33

A2

S

tr

93P03907

33-52

A3

S

tr

93P03908

52-79

A4

S

tr

93P03909

79-105

Bg

S

1

93P03910

105-130

Cg1

S

1

93P03911

130-156

Cg2

S

1

93P03912

156-183

Cg3

S

1

*** Primary Characterization Data ***

Pedon ID: S1993IA015006

( Boone, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Okoboji		Fine, montmorillonitic Cumulic Endoaquolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0539

---

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
					4C1a2a	4C1a2a				6E1g
93P03904	0-15	Ap	S		6.7	7.0
93P03905	15-25	A1	S		6.6	7.0
93P03906	25-33	A2	S		6.5	6.8
93P03907	33-52	A3	S		6.5	6.9
93P03908	52-79	A4	S		6.8	7.3
93P03909	79-105	Bg	S		7.1	7.5				tr
93P03910	105-130	Cg1	S		7.4	7.8				30
93P03911	130-156	Cg2	S		7.4	7.8				18
93P03912	156-183	Cg3	S		7.4	7.8				14

*** Primary Characterization Data ***

Pedon ID: S1993IA015006

( Boone, Iowa )

Print Date: Feb 16 2025 5:20AM

Sampled As	:	Okoboji		Fine, montmorillonitic Cumulic Endoaquolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  93P0539

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

7C3

tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

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

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

mg g-1

93P03904

0.0-15.0

Ap

tcly

MT 3

KK 2

MI 2

QZ 1

15

7.1

1.4

93P03905

15.0-25.0

A1

tcly

MT 4

KK 2

MI 2

QZ 1

15

7.4

1.4

93P03907

33.0-52.0

A3

tcly

MT 4

KK 2

MI 2

QZ 1

16

7.9

1.4

93P03909

79.0-105.0

Bg

tcly

MT 4

KK 2

MI 2

QZ 1

15

7.3

2.0

93P03912

156.0-183.0

Cg3

tcly

MT 4

MI 2

KK 2

DL 1

QZ 1

15

10.7

2.4

CA 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	DL Dolomite	KK Kaolinite	MI Mica	MT Montmorillonite
QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks