*** Supplementary Characterization Data ***

Pedon ID: 91MT049006

( Lewis and Clark, Montana )

Print Date: Dec 4 2024 3:18AM

Sampled as on Sep 25, 1976:	Nippt ; Sandy-skeletal, mixed Borollic Haplargids
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP92MT126   LEWIS AND CLARK COUNTY	Natural Resources Conservation Service
	-	Site ID	S1991MT049006   Lat: 46° 46' 7.63" north  Long: 112° 11' 3.19" west	National Soil Survey Center
	-	Pedon No.	92P0505	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
92P02937	0-8	E	S	100	99	99	98	97	93	89	85	67	42	20	13	9	78	70	60	48	35	0.26	0.120	0.002			>100	2.2
92P02938	8-23	Bt	S	100	94	89	83	78	74	70	65	57	42	25	21	18	62	59	53	45	37	0.63	0.181	0.001			>100	1.8
92P02939	23-38	Bk	S	100	95	91	86	82	62	41	31	23	13	7	6	5	28	24	19	14	12	8.98	6.387	0.036			>100	7.7
92P02940	38-152	2Bk	S	100	96	94	90	87	66	45	28	12	5	2	2	2	20	14	8	5	4	7.74	5.550	0.320			24.2	2.0

---

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
92P02937	0-8	E	S	15	--	--	15	3	8	4	85	15	3	8	4	85		1.561
92P02938	8-23	Bt	S	35	--	--	35	22	8	5	65	35	22	8	5	65		1.721
92P02939	23-38	Bk	S	69	--	--	69	18	41	10	31	69	18	41	10	31		2.111
92P02940	38-152	2Bk	S	72	--	--	72	13	42	17	28	72	13	42	17	28		2.151

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
92P02937	0-8	E	S	9	--	--	9	2	5	2	91	29	15	5	41			0.39	1.16		0.53
92P02938	8-23	Bt	S	23	--	--	23	14	5	3	77	18	13	11	35			0.54	1.16		0.43
92P02939	23-38	Bk	S	55	--	--	55	14	33	8	45	15	6	4	20			0.38			0.49
92P02940	38-152	2Bk	S	59	--	--	59	11	34	14	41	20	2	1	19			0.37			0.78

*** Supplementary Characterization Data ***

Pedon ID: 91MT049006

( Lewis and Clark, Montana )

Print Date: Dec 4 2024 3:18AM

Sampled As	:	Nippt		Sandy-skeletal, mixed Borollic Haplargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0505

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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		8A3a
92P02937	0-8	E	S	16	16	13	55	28	10	9	12	13	16	17	19	14	12		sl	59.2	30.2	10.6	5.6
92P02938	8-23	Bt	S	42	42	16	34	24	21	6	7	13	17	16	25	16	37		cl	42.7	30.3	27.0	7.1		0.79
92P02939	23-38	Bk	S	72	72	53	20	7	5	11	14	19	19	10	17	9	17		sl	62.6	22.7	14.7	7.6		0.56
92P02940	38-152	2Bk	S	73	73	60	24	3	2	29	25	22	10	4	8	2	6		lcos	84.6	9.4	6.0	7.7