*** Supplementary Characterization Data ***

Pedon ID: 84IA1570021

( Poweshiek, Iowa )

Print Date: May 19 2024 10:25PM

Sampled as on Oct 1, 1984:	Shelby ; Fine-loamy, mixed, mesic Typic Argiudoll
Revised to correlated:	Gara ; Fine-loamy, mixed, superactive, mesic Mollic Hapludalfs

				United States Department of Agriculture
SSL	-	Project	RP85IA130   POWESHIEK COUNTY EROSION	Natural Resources Conservation Service
	-	Site ID	S1984IA1570021   Lat: 41° 36' 50.00" north  Long: 92° 27' 50.00" west  MLRA: 108C	National Soil Survey Center
	-	Pedon No.	85P0475	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
85P02324	0-20	Ap	S	100	100	100	100	100	97	94	91	84	62	40	32	26	89	86	78	65	58	0.06	0.033	--			>100	0.5
85P02325	20-33	Bt1	S	100	100	100	100	100	100	99	97	88	63	40	32	27	95	91	81	66	58	0.06	0.034	--			>100	0.4
85P02326	33-51	Bt2	S	100	100	100	100	100	100	99	97	86	58	35	27	22	93	89	78	62	53	0.09	0.043	0.001			>100	1.3
85P02327	51-74	Bt3	S	100	100	100	100	100	100	99	97	88	57	33	25	20	95	91	80	61	51	0.09	0.047	0.001			>100	2.5
85P02328	74-91	Bt4	S	100	100	100	100	100	100	99	98	89	57	32	25	20	96	92	81	61	51	0.09	0.048	0.001			>100	3.1
85P02329	91-117	BC	S	100	100	100	100	100	100	99	98	90	62	37	28	23	96	92	82	66	57	0.06	0.036	0.001			>100	1.2

---

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
85P02324	0-20	Ap	S	9	--	--	9	--	6	3	91	9	--	6	3	91		1.511
85P02325	20-33	Bt1	S	3	--	--	3	--	1	2	97	3	--	1	2	97		1.471
85P02326	33-51	Bt2	S	3	--	--	3	--	1	2	97	3	--	1	2	97		1.471
85P02327	51-74	Bt3	S	3	--	--	3	--	1	2	97	3	--	1	2	97		1.471
85P02328	74-91	Bt4	S	2	--	--	2	--	1	1	98	2	--	1	1	98		1.461
85P02329	91-117	BC	S	2	--	--	2	--	1	1	98	2	--	1	1	98		1.461

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: 84IA1570021

( Poweshiek, Iowa )

Print Date: May 19 2024 10:25PM

Sampled As	:	Shelby		Fine-loamy, mixed, mesic Typic Argiudoll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0475

---

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
85P02324	0-20	Ap	S	5	--	--	5	--	3	2	95	19	18	15	43						0.40
85P02325	20-33	Bt1	S	2	--	--	2	--	1	1	98	22	17	15	45						0.38
85P02326	33-51	Bt2	S	2	--	--	2	--	1	1	98	25	17	12	45						0.41
85P02327	51-74	Bt3	S	2	--	--	2	--	1	1	98	26	17	11	45						0.40
85P02328	74-91	Bt4	S	1	--	--	1	--	1	1	99	26	18	11	45						0.43
85P02329	91-117	BC	S	1	--	--	1	--	1	1	99	22	19	12	45						0.41

---

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
85P02324	0-20	Ap	S	12	12	12	45	43	35	4	5	12	19	11	27	22	40		cl	36.3	35.2	28.5	5.5
85P02325	20-33	Bt1	S	4	4	4	54	42	36	3	6	13	21	13	25	19	38		cl	40.7	31.9	27.4	4.8
85P02326	33-51	Bt2	S	4	4	4	56	40	28	5	6	14	22	12	24	18	29		l	45.4	32.0	22.6	5.1
85P02327	51-74	Bt3	S	4	4	4	58	39	25	2	6	15	24	13	24	17	26		l	47.4	31.9	20.7	5.2
85P02328	74-91	Bt4	S	2	2	2	59	39	25	3	6	14	25	13	24	16	25		l	47.9	31.9	20.2	5.5
85P02329	91-117	BC	S	3	3	3	53	45	29	2	5	13	21	12	26	19	30		l	41.7	35.3	23.0	6.5