*** Supplementary Characterization Data ***

Pedon ID: 69MT047006

( Lake, Montana )

Print Date: Apr 19 2025 4:37AM

Sampled as on Apr 1, 1969:	Irvine ; Fine, illitic (calcareous), frigid Typic Xerorthent
Revised to correlated:	Irvine ; Fine, illitic, calcareous, frigid Typic Xerorthents

				United States Department of Agriculture
SSL	-	Project	RP87MT143   LAKE COUNTY	Natural Resources Conservation Service
	-	Site ID	S1969MT047006   Lat: 47° 34' 31.99" north  Long: 114° 19' 24.99" west  MLRA: 44	National Soil Survey Center
	-	Pedon No.	87P0418	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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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
87P02190	0-5	A	S	100	100	100	100	100	100	99	99	99	97	93	67	50	99	99	98	98	97	--	0.002	--			10.6	0.6
87P02191	5-20	C1	S	100	100	100	100	100	100	99	99	99	98	95	70	53	99	99	99	98	97	--	0.002	--			9.6	0.6
87P02192	20-36	C2	S	100	100	100	100	100	100	100	100	100	99	95	64	44	100	100	100	100	99	--	0.003	--			12.2	0.7
87P02193	36-152	C3	S	100	100	100	100	100	100	100	100	100	99	98	71	52	100	100	100	99	99	--	0.002	--			9.5	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
87P02190	0-5	A	S	1	--	--	1	--	1	tr	99	1	--	1	tr	99		1.461
87P02191	5-20	C1	S	1	--	--	1	--	1	--	99	1	--	1	tr	99		1.461
87P02192	20-36	C2	S	--	--	--	--	--	--	--	100	--	--	--	--	100		1.451
87P02193	36-152	C3	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.

---

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
87P02190	0-5	A	S	1	--	--	1	--	1	tr	99	1	25	27	45				0.42		0.25
87P02191	5-20	C1	S	1	--	--	1	--	1	--	99	1	25	29	45						0.25
87P02192	20-36	C2	S	--	--	--	--	--	--	--	100	1	30	24	45						0.22
87P02193	36-152	C3	S	--	--	--	--	--	--	--	100	1	25	29	45						0.26

*** Supplementary Characterization Data ***

Pedon ID: 69MT047006

( Lake, Montana )

Print Date: Apr 19 2025 4:37AM

Sampled As	:	Irvine		Fine, illitic (calcareous), frigid Typic Xerorthent
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  87P0418

---

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	8E1	8A3a
87P02190	0-5	A	S	2	2	2	5	93	101	tr	tr	1	1	2	7	88	103		sic	2.3	46.9	50.8	6.7		0.95
87P02191	5-20	C1	S	2	2	2	4	94	111			tr	1	3	4	92	113		sic	1.9	45.0	53.1	7.6		1.72
87P02192	20-36	C2	S				2	98	78			tr	tr	2	6	91	78		sic	1.3	54.8	43.9	7.9		0.52
87P02193	36-152	C3	S				3	97	110		tr	tr	1	1	2	96	110		sic	1.1	46.5	52.4	8.1	1200	3.91