*** Supplementary Characterization Data ***

Pedon ID: S1953MT111004

( Yellowstone, Montana )

Print Date: Jun 1 2024 9:49AM

Sampled as on Jul 30, 1953:	Nunn
Revised to correlated:	Ethridge ; Fine, smectitic, frigid Aridic Argiborolls

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1953MT111004   Lat: 45° 46' 29.73" north  Long: 108° 42' 29.73" west  MLRA: 58A	Mandan Soil Survey Laboratory
	-	Pedon No.	40A3536	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Mandan, North Dakota

---

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
40A27289	0-23	Ap	S	100	100	100	100	100	100	100	100	98	87	57	42	33	100	99	98	93	79	0.02	0.010	--			55.3	0.3
40A27290	23-41	Bt1	S	100	100	100	100	100	100	100	100	99	89	67	57	50	100	99	98	94	83	0.01	0.002	--			24.6	0.3
40A27291	41-56	Bt2	S	100	100	100	100	100	100	100	100	98	86	55	45	38	100	99	97	92	78	0.02	0.010	--			65.5	0.2
40A27292	56-81	B	S	100	100	100	100	100	100	100	100	99	87	49	38	30	100	99	98	94	75	0.03	0.021	--			69.6	0.3
40A27293	81-114	Bk	S	100	100	100	100	100	100	100	99	97	82	46	35	29	98	98	97	90	67	0.04	0.024	--			81.9	0.4

---

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
40A27289	0-23	Ap	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
40A27290	23-41	Bt1	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
40A27291	41-56	Bt2	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
40A27292	56-81	B	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
40A27293	81-114	Bk	S	1	--	--	1	--	tr	1	99	1	--	tr	1	99		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: S1953MT111004

( Yellowstone, Montana )

Print Date: Jun 1 2024 9:49AM

Sampled As	:	Nunn
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3536

---

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---)
40A27289	0-23	Ap	S	--	--	--	--	--	--	--	100	12	25	18	45						0.34
40A27290	23-41	Bt1	S	--	--	--	--	--	--	--	100	9	18	27	45				0.62		0.37
40A27291	41-56	Bt2	S	--	--	--	--	--	--	--	100	12	22	21	45				0.72		0.40
40A27292	56-81	B	S	--	--	--	--	--	--	--	100	14	24	17	45						0.37
40A27293	81-114	Bk	S	1	--	--	--	--	tr	1	99	18	21	16	45				0.03		0.35

---

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			8A1a
40A27289	0-23	Ap	S				31	69	48	1	1	2	7	21	32	37	48		cl	21.1	46.3	32.6			0.80
40A27290	23-41	Bt1	S				33	67	99		2	2	7	22	32	35	99		c	16.8	33.5	49.7			0.80
40A27291	41-56	Bt2	S				36	64	61	1	2	3	8	23	36	28	61		cl	22.2	40.1	37.7			1.10
40A27292	56-81	B	S				36	64	43	tr	1	2	6	27	38	26	43		cl	25.0	44.7	30.3			1.40
40A27293	81-114	Bk	S	1	1	1	44	54	40	1	1	1	9	32	31	24	41		cl	32.0	39.1	28.9			1.20