*** Primary Characterization Data ***

Pedon ID: S2003IA183002

( Washington, Iowa )

Print Date: May 19 2024 11:28PM

Sampled as on Dec 1, 2003:	Keomah ; Fine, smectitic, mesic Aeric Endoaqualf
Revised to correlated:	Keomah ; Fine, smectitic, mesic Aeric Endoaqualfs

				United States Department of Agriculture
SSL	-	Project	C2004USIA054   Jefferson, Johnson & Washington Co.	Natural Resources Conservation Service
	-	Site ID	S2003IA183002   Lat: 41° 18' 58.71" north  Long: 91° 53' 43.09" west  MLRA: 108C	National Soil Survey Center
	-	Pedon No.	04N0285	Kellogg 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
04N01327	Ap1	Ap1	0-12	S03IA-183-002-1			SIL	SIL
04N01328	Ap2	Ap2	12-20	S03IA-183-002-2			SIL	SIL
04N01329	E	E	20-38	S03IA-183-002-3			SIL	SICL
04N01330	BE	BE	38-46	S03IA-183-002-4			SICL	SIC
04N01331	Bt1	Bt1	46-63	S03IA-183-002-5			SIC	SIC
04N01332	Bt2	Bt2	63-91	S03IA-183-002-6			SIC	SIC
04N01333	Bt3	Bt3	91-112	S03IA-183-002-7			SICL	SICL
04N01334	Bt4	Bt4	112-132	S03IA-183-002-8			SICL	SICL
04N01335	BC	BC	132-160	S03IA-183-002-9			SICL	SICL
04N01336	C	C	160-200	S03IA-183-002-10			SIL	SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Weighted Particles, 0.1-75mm, 75 mm Base	1	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	42	% wt
Clay, carbonate free, Weighted Average	42	% wt
CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 1	0.7	(NA)
LE, Whole Soil, Summed to 1m	7	cm/m
Weighted averages based on control section: 46-96 cm

*** Primary Characterization Data ***

Pedon ID: S2003IA183002

( Washington, Iowa )

Print Date: May 19 2024 11:28PM

Sampled As	:	Keomah		Fine, smectitic, mesic Aeric Endoaqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N0285

---

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
04N01327	0-12	Ap1	S	sil	17.2	78.2	4.6			45.1	33.1	0.4	1.1	1.5	1.3	0.3	tr	--	--	4	tr
04N01328	12-20	Ap2	S	sil	17.4	78.5	4.1			44.5	34.0	0.4	0.9	1.6	1.0	0.2	--	--	--	4	--
04N01329	20-38	E	S	sicl	32.9	64.4	2.7			39.7	24.7	0.4	0.7	1.0	0.6	tr	--	--	--	2	--
04N01330	38-46	BE	S	sic	41.5	56.8	1.7			34.3	22.5	0.4	0.6	0.4	0.3	tr	--	--	--	1	--
04N01331	46-63	Bt1	S	sic	44.0	54.7	1.3			31.4	23.3	0.4	0.4	0.4	0.1	--	--	--	--	1	--
04N01332	63-91	Bt2	S	sic	40.7	57.7	1.6			32.3	25.4	0.5	0.5	0.4	0.1	0.1	--	--	--	1	--
04N01333	91-112	Bt3	S	sicl	38.0	60.9	1.1			34.1	26.8	0.3	0.4	0.3	0.1	--	--	--	--	1	--
04N01334	112-132	Bt4	S	sicl	34.0	64.9	1.1			38.6	26.3	0.3	0.4	0.3	0.1	--	tr	--	--	1	tr
04N01335	132-160	BC	S	sicl	30.4	68.7	0.9			38.8	29.9	0.3	0.3	0.2	0.1	--	--	--	--	1	--
04N01336	160-200	C	S	sil	24.9	74.2	0.9			40.9	33.3	0.5	0.2	0.2	tr	--	--	--	--	tr	--

---

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	%
				DbWR1	DbWR1				DbWR1	3C2a1a		3D1
04N01327	0-12	Ap1	S	1.40	1.46	0.014			24.7	8.3		1.021		0.23		0.76	0.48
04N01328	12-20	Ap2	S	1.53	1.59	0.013			23.1	7.7		1.020		0.24		0.72	0.44
04N01329	20-38	E	S	1.51	1.61	0.022			22.5	13.0		1.040		0.14		0.57	0.40
04N01330	38-46	BE	S	1.41	1.88	0.101			27.6	17.2		1.058		0.15		0.65	0.41
04N01331	46-63	Bt1	S	1.37	1.86	0.107			30.3	19.1		1.067		0.15		0.71	0.43
04N01332	63-91	Bt2	S	1.40	1.88	0.103			29.3	18.4		1.063		0.15		0.70	0.45
04N01333	91-112	Bt3	S	1.39	1.84	0.098			29.4	17.7		1.060		0.16		0.69	0.47
04N01334	112-132	Bt4	S	1.36	1.61	0.058			31.1	16.3		1.056		0.20		0.71	0.48
04N01335	132-160	BC	S	1.31	1.49	0.044			33.5	14.7		1.050		0.25		0.74	0.48
04N01336	160-200	C	S	1.35	1.50	0.036			31.8	12.0		1.039		0.27		0.71	0.48

*** Primary Characterization Data ***

Pedon ID: S2003IA183002

( Washington, Iowa )

Print Date: May 19 2024 11:28PM

Sampled As	:	Keomah		Fine, smectitic, mesic Aeric Endoaqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N0285

---

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 - - - - -)
				4H2a	4H2a	4H2a
04N01327	0-12	Ap1	S	1.39	0.14	0.03	1.4		10
04N01328	12-20	Ap2	S	1.06	0.13	0.02	1.1		8
04N01329	20-38	E	S	0.38	0.05	tr	0.4		8
04N01330	38-46	BE	S	0.37	0.07	0.01	0.4		5
04N01331	46-63	Bt1	S	0.32	0.05	0.02	0.3		6
04N01332	63-91	Bt2	S	0.25	0.06	0.02	0.3		4
04N01333	91-112	Bt3	S	0.23	0.04	0.02	0.2		6
04N01334	112-132	Bt4	S	0.19	0.06	0.01	0.2		3
04N01335	132-160	BC	S	0.17	0.05	0.02	0.2		3
04N01336	160-200	C	S	0.55	0.02	0.02	0.1		6

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				4B1a1a	4B1a1a	4B1a1a	4B1a1a		4B2b1a1				4B1a1a
04N01327	0-12	Ap1	S	11.1*	2.9	--	0.4	14.4	5.3			19.7	13.1			73	100
04N01328	12-20	Ap2	S	9.8*	2.5	--	0.2	12.5	4.9			17.4	12.5			72	100
04N01329	20-38	E	S	11.1	5.4	--	0.4	16.9	8.7			25.6	18.9			66	89
04N01330	38-46	BE	S	13.6	8.1	--	0.5	22.2	10.0			32.2	26.8			69	83
04N01331	46-63	Bt1	S	15.8	10.3	0.1	0.6	26.8	15.1			41.9	31.1			64	86
04N01332	63-91	Bt2	S	14.7	10.0	0.1	0.6	25.4	11.4			36.8	28.3			69	90
04N01333	91-112	Bt3	S	14.9	10.4	0.2	0.5	26.0	9.1			35.1	26.4			74	98
04N01334	112-132	Bt4	S	15.0*	10.5	0.3	0.4	26.2	5.2			31.4	24.1			83	100
04N01335	132-160	BC	S	14.2*	9.8	0.3	0.3	24.6	4.7			29.3	22.5			84	100
04N01336	160-200	C	S	16.4*	12.9	0.1	0.3	29.7	2.3				17.8				100

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

*** Primary Characterization Data ***

Pedon ID: S2003IA183002

( Washington, Iowa )

Print Date: May 19 2024 11:28PM

Sampled As	:	Keomah		Fine, smectitic, mesic Aeric Endoaqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N0285

---

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 - -)		%
				4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2	4F2		4F2	4F1a1a1
04N01327	0-12	Ap1	S	10.1	4.2	--	0.4	--	2.7	--	0.5	--	--	--	0.8	1.2	10.9	49.9	tr	1.55	0.52	--	--
04N01328	12-20	Ap2	S																		0.21	--
04N01329	20-38	E	S																		0.12	--
04N01330	38-46	BE	S																		0.15	--
04N01331	46-63	Bt1	S																		0.15	tr
04N01332	63-91	Bt2	S																		0.14	tr
04N01333	91-112	Bt3	S																		0.10	1
04N01334	112-132	Bt4	S																		0.11	1
04N01335	132-160	BC	S																		0.08	1
04N01336	160-200	C	S																		0.16	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
					4C1a2a	4C1a2a	4F2			4E1a1a1a1
04N01327	0-12	Ap1	S		6.6	6.9	6.8
04N01328	12-20	Ap2	S		6.1	6.6
04N01329	20-38	E	S		4.9	5.6
04N01330	38-46	BE	S		4.5	5.1
04N01331	46-63	Bt1	S		4.6	5.1
04N01332	63-91	Bt2	S		4.8	5.3
04N01333	91-112	Bt3	S		5.1	5.6
04N01334	112-132	Bt4	S		5.9	6.5
04N01335	132-160	BC	S		6.2	7.0
04N01336	160-200	C	S		7.4	8.1				4

*** Primary Characterization Data ***

Pedon ID: S2003IA183002

( Washington, Iowa )

Print Date: May 19 2024 11:28PM

Sampled As	:	Keomah		Fine, smectitic, mesic Aeric Endoaqualf
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  04N0285

---

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

7A1a1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

04N01331

46.0-63.0

Bt1

tcly

MT 4

KK 2

VR 2

MI 2

QZ 1

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

&nbsp;

SMEC

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	QZ Quartz	VR Vermiculite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

INTERPRETATION (BY HORIZON):
SMEC - Smectitic