*** Supplementary Characterization Data ***

Pedon ID: 84IA1570011

( Poweshiek, Iowa )

Print Date: Nov 23 2024 7:31AM

Sampled as on Oct 1, 1984:	Otley ; Fine, montmorillonitic, mesic Typic Argiudoll
Revised to correlated:	Otley ; Fine, smectitic, mesic Typic Argiudolls

				United States Department of Agriculture
SSL	-	Project	RP85IA130   POWESHIEK COUNTY EROSION	Natural Resources Conservation Service
	-	Site ID	S1984IA1570011   Lat: 41° 38' 0.01" north  Long: 92° 27' 50.00" west  MLRA: 108	National Soil Survey Center
	-	Pedon No.	85P0472	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-	-21-	-22-	-23-	-24-	-25-
				(- - - - - - - - - - - - - - - - - - - - - - Engineering PSDA - - - - - - - - - - - - - - - - - - - - -)													(- - - - - Cumulative Curve Fractions - - - - -) (<75mm)								( Atter- )		( Gradation )
				Percentage Passing Sieve													USDA Less Than Diameters (mm) at								berg		Uni-	Cur-
	Depth			3	2	3/2	1	3/4	3/8	4	10	40	200	20	5	2	1.	.5	.25	.10	.05	60	50	10	LL	PI	fmty	vtur
Layer	(cm)	Horz	Prep	(-------------------Inches-------------------)						(---------Number---------)				(------Microns----)			(---------Millimeter----------)					(-----Percentile---)			(----%----)		CU	CC
85P02309	0-20	Ap	S	100	100	100	100	100	100	100	100	98	83	49	35	26	100	99	94	85	82	0.03	0.020	--			55.2	0.7
85P02310	20-36	Bt1	S	100	100	100	100	100	100	100	100	99	95	62	44	33	100	100	98	96	94	0.02	0.008	--			42.6	0.4
85P02311	36-56	Bt2	S	100	100	100	100	100	100	100	100	100	98	66	47	34	100	100	99	98	98	0.01	0.006	--			32.4	0.5
85P02312	56-79	Bt3	S	100	100	100	100	100	100	100	100	100	99	65	45	32	100	100	100	99	98	0.01	0.007	--			35.2	0.5
85P02313	79-94	Bt4	S	100	100	100	100	100	100	100	100	98	87	52	36	26	100	100	95	89	85	0.03	0.017	--			52.1	0.6

---

Tier 2				-26-	-27-	-28-	-29-	-30-	-31-	-32-	-33-	-34-	-35-	-36-	-37-	-38-	-39-	-40-	-41-	-42-	-43-	-44-	-45-	-46-	-47-	-48-	-49-	-50-
				(- - - - - - - - - - - - - - - - - - - - - - Weight Fractions - - - - - - - - - - - - - - - - - - - - -)														(- - - - - - - - - - - Weight Per Unit Volume (g cm-3 )- - - - - - - -)									(- - Void - -)
				Whole Soil (mm)								<75 mm Fraction						Whole Soil				<2 mm Fraction					Ratios
				>2	250	250	75	75	20	5		75	75	20	5			Soil Sur		Engineering		Soil Survey			Engineering		At 33 kPa
	Depth				-UP	-75	-2	-20	-5	-2	<2	-2	-20	-5	-2	<2		33	Oven	Moist	Satur	33	1500	Oven	Moist	Satur	Whole	<2
Layer	(cm)	Horz	Prep	(------------------- % of Whole Soil ------------------)								(--------- % of <75 mm ---------)						kPa	-dry		-ated	kPa	kPa	-dry		-ated	Soil	mm
													3B1	3B1	3B1
85P02309	0-20	Ap	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
85P02310	20-36	Bt1	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
85P02311	36-56	Bt2	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
85P02312	56-79	Bt3	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
85P02313	79-94	Bt4	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451

¹The whole-soil bulk density was not measured. It was calculated using 1.45 g/cc as the 1/3-bar bulk density of the less-than-2-mm fraction for mineral soils.

*** Supplementary Characterization Data ***

Pedon ID: 84IA1570011

( Poweshiek, Iowa )

Print Date: Nov 23 2024 7:31AM

Sampled As	:	Otley		Fine, montmorillonitic, mesic Typic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0472

---

Tier 3				-51-	-52-	-53-	-54-	-55-	-56-	-57-	-58-	-59-	-60-	-61-	-62-	-63-	-64-	-65-	-66-	-67-	-68-	-69-	-70-	-71-	-72-	-73-	-74-	-75-
				(- - - - - - - - - - - - - - - - - Volume Fractions - - - - - - - - - - - - - - - -)													C	(- - - - - - - Ratios To Clay - - - - - -)					(- - Linear Extensiblity - -)				(- - WRD - -)
				Whole Soil (mm) At 33 kPa													/N	<2 mm Fraction					Whole Soil		<2 mm		Whole	<2
				>2	250	250	75	75	20	5		2-	.05-	LT	Pores		Rat	Fine	CEC		1500	LEP	33 kPa		to %		Soil	mm
	Depth				-UP	-75	-2	-20	-5	-2	<2	.05	.002	.002	D	F	-io	Clay	Sum	NH4-	kPa	33	1500	Oven	1500	Oven
Layer	(cm)	Horz	Prep	(----------------------------- % of Whole Soil ---------------------------)															Cats	OAC	H2O	kPa	kPa	-dry	kPa	-dry	(---in3/in3---)
																					8D1
85P02309	0-20	Ap	S	--	--	--	--	--	--	--	100	10	31	14	45						0.47
85P02310	20-36	Bt1	S	--	--	--	--	--	--	--	100	3	34	18	45						0.44
85P02311	36-56	Bt2	S	--	--	--	--	--	--	--	100	1	35	18	45						0.45
85P02312	56-79	Bt3	S	--	--	--	--	--	--	--	100	1	36	18	45						0.46
85P02313	79-94	Bt4	S	--	--	--	--	--	--	--	100	8	32	14	45						0.46

---

Tier 4				-76-	-77-	-78-	-79-	-80-	-81-	-82-	-83-	-84-	-85-	-86-	-87-	-88-	-89-	-90-	-91-	-92-	-93-	-94-	-95-	-96-	-97-	-98-
				(- - - - - - - - - - - - - - - - - - - Weight Fractions - Clay Free - - - - - - - - - - - - - - - - - -)															Text	PSDA (mm)			pH	Elect.		Part-
				(--------------- Whole Soil ---------------)						(------------------- <2 mm Fraction -------------------)									-ure	Sand	Silt	Clay	Ca	Res-	Con-	-icle
				>2	75	20	2-	.05-	<	(------------- Sands -------------)					(--- Silts ---)		Cl		by	2-	.05-	<	Cl2	ist.	duct	Den-
	Depth				-20	-2	.05	.002	.002	VC	C	M	F	VF	C	F	ay		PSDA	.05	.002	.002	.01M	ohms	dS m-1	sity
Layer	(cm)	Horz	Prep	(- % of >2 mm Sand and Silt -)						(------------------% of Sand and Silt -------------)									<2 mm	(---- % of 2 mm ----)			(-------- <2 mm --------)			g cm-3
																			3A1a1a	3A1a1a	3A1a1a	3A1a1a	4C1a2a
85P02309	0-20	Ap	S				25	75	35		1	7	12	5	43	32	35		sil	18.5	55.8	25.7	5.4
85P02310	20-36	Bt1	S				8	92	49		tr	2	4	2	48	43	49		sicl	5.7	61.6	32.7	5.6
85P02311	36-56	Bt2	S				4	96	51		tr	1	2	1	47	49	51		sicl	2.4	63.8	33.8	5.4
85P02312	56-79	Bt3	S				2	98	47			1	1	1	50	48	47		sicl	1.6	66.3	32.1	5.3
85P02313	79-94	Bt4	S				20	80	36		1	6	9	4	45	35	36		sil	14.7	59.0	26.3	5.3