*** Supplementary Characterization Data ***

Pedon ID: S1955MT095002

( Stillwater, Montana )

Print Date: Nov 23 2024 5:03PM

Sampled as on Aug 28, 1955:	Sweetgrass
Revised to :

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1955MT095002   Lat: 45° 29' 12.00" north  Long: 109° 26' 24.01" west	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3547	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

---

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
40A27365	0-10	Ap	S	100	100	100	100	100	100	99	97	82	64	43	34	28	90	83	79	69	58	0.06	0.030	--			>100	0.3
40A27366	10-23	Bt1	S	100	100	100	100	100	100	100	99	93	81	56	47	42	96	93	92	86	74	0.02	0.007	--			70.2	0.1
40A27367	23-38	Bt2	S	100	100	100	100	100	99	98	94	83	67	44	37	32	89	83	81	73	61	0.05	0.028	--			>100	0.2
40A27368	28-63	Bk	S	100	100	100	100	100	96	92	80	57	43	33	27	24	67	58	54	46	39	0.59	0.161	0.001			>100	0.3
40A27369	63-86	2Bk	S	100	100	100	100	100	93	85	62	25	10	4	3	2	45	27	21	12	8	1.85	1.241	0.074			24.9	2.3
40A27370	86-112	2C	S	100	100	100	100	100	93	85	61	10	5	3	2	1	24	10	8	5	4	1.96	1.627	0.473			4.2	1.3

---

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
40A27365	0-10	Ap	S	3	--	--	3	--	1	2	97	3	--	1	2	97		1.471
40A27366	10-23	Bt1	S	1	--	--	1	--	tr	1	99	1	--	tr	1	99		1.461
40A27367	23-38	Bt2	S	6	--	--	6	--	2	4	94	6	--	2	4	94		1.491
40A27368	28-63	Bk	S	20	--	--	20	--	8	12	80	20	--	8	12	80		1.591
40A27369	63-86	2Bk	S	93	89	--	4	--	2	3	7	38	--	15	23	62		2.521
40A27370	86-112	2C	S	39	--	--	39	--	15	24	61	39	--	15	24	61		1.761

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: S1955MT095002

( Stillwater, Montana )

Print Date: Nov 23 2024 5:03PM

Sampled As	:	Sweetgrass
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3547

---

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---)
40A27365	0-10	Ap	S	2	--	--	--	--	1	1	98	21	17	16	45				0.89		0.43
40A27366	10-23	Bt1	S	1	--	--	--	--	tr	1	99	14	18	23	45				0.88		0.40
40A27367	23-38	Bt2	S	3	--	--	--	--	1	2	97	19	16	18	44						0.40
40A27368	28-63	Bk	S	12	--	--	--	--	5	7	88	24	9	14	40				0.01		0.34
40A27369	63-86	2Bk	S	90	86	--	--	--	2	3	10	6	1		5				0.06		0.64
40A27370	86-112	2C	S	26	--	--	--	--	10	16	74	38	2	1	34				0.11		1.11

---

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
40A27365	0-10	Ap	S	4	4	4	54	42	39	10	10	6	14	15	22	22	41		cl	39.9	31.1	29.0
40A27366	10-23	Bt1	S	2	2	2	43	55	72	5	5	3	10	21	31	25	73		c	25.2	32.6	42.2
40A27367	23-38	Bt2	S	9	9	9	49	42	47	9	8	5	13	19	27	19	52		cl	35.5	30.5	34.0
40A27368	28-63	Bk	S	26	26	26	53	20	31	23	16	7	14	12	11	16	42		scl	51.0	19.4	29.6
40A27369	63-86	2Bk	S	93	4	5	6	1	tr	29	29	10	15	7	5	4	4		cos	87.9	8.5	3.6
40A27370	86-112	2C	S	39	39	39	58	3	1	62	23	4	4	2	2	2	2		cos	93.6	4.5	1.9