*** Supplementary Characterization Data ***

Pedon ID: 90MT015790

( Chouteau, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled as on Sep 29, 1990:	Laceycreek ; Fine-loamy, mixed Pachic Udic Argiborolls
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP92MT026   CHOUTEAU COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990MT015790   Lat: 47° 33' 43.00" north  Long: 110° 34' 2.99" west	National Soil Survey Center
	-	Pedon No.	92P0127	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
92P00868	0-13	Ap	S	100	100	100	100	100	99	97	89	71	51	35	25	19	83	74	64	55	46	0.17	0.068	0.001			>100	0.9
92P00869	13-46	A	S	100	100	100	100	100	98	95	83	68	50	34	25	19	78	70	62	54	45	0.20	0.074	0.001			>100	1.0
92P00870	46-66	Bt1	S	100	100	100	100	100	95	90	76	60	44	30	23	18	69	61	56	47	39	0.45	0.136	0.001			>100	1.3
92P00871	66-112	Bt2	S	100	100	100	100	100	99	98	87	74	56	36	27	20	82	76	70	60	51	0.10	0.048	0.001			>100	1.1
92P00872	112-152	2BC	S	100	100	100	100	100	97	93	79	55	31	18	13	10	70	58	46	34	27	0.56	0.313	0.002			>100	3.9

---

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
92P00868	0-13	Ap	S	11	--	--	11	--	3	8	89	11	--	3	8	89		1.531
92P00869	13-46	A	S	17	--	--	17	--	5	12	83	17	--	5	12	83		1.571
92P00870	46-66	Bt1	S	24	--	--	24	--	10	14	76	24	--	10	14	76		1.631
92P00871	66-112	Bt2	S	13	--	--	13	--	2	11	87	13	--	2	11	87		1.541
92P00872	112-152	2BC	S	21	--	--	21	--	7	14	79	21	--	7	14	79		1.601

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: 90MT015790

( Chouteau, Montana )

Print Date: Nov 11 2024 9:35PM

Sampled As	:	Laceycreek		Fine-loamy, mixed Pachic Udic Argiborolls
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  92P0127

---

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
92P00868	0-13	Ap	S	6	--	--	6	--	2	5	94	25	16	11	42				1.75		0.60
92P00869	13-46	A	S	10	--	--	10	--	3	7	90	23	16	11	41				1.83		0.62
92P00870	46-66	Bt1	S	15	--	--	15	--	6	9	85	23	13	11	38				1.30		0.50
92P00871	66-112	Bt2	S	8	--	--	8	--	1	6	92	21	18	12	42				1.39		0.49
92P00872	112-152	2BC	S	13	--	--	13	--	4	9	87	32	10	6	40				1.88		0.58

---

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
92P00868	0-13	Ap	S	14	14	14	53	33	24	9	13	13	14	12	17	22	27		l	48.1	30.4	21.5	5.4
92P00869	13-46	A	S	21	21	21	46	33	23	8	12	12	14	13	18	23	29		l	45.5	32.1	22.4	5.9
92P00870	46-66	Bt1	S	29	29	29	45	26	22	12	14	8	16	13	16	21	30		l	48.2	28.5	23.3	6.3
92P00871	66-112	Bt2	S	16	16	16	45	38	25	7	10	8	14	15	22	24	30		l	41.7	35.2	23.1	6.5
92P00872	112-152	2BC	S	23	23	23	58	19	11	13	17	17	17	11	13	12	14		cosl	66.0	21.4	12.6	6.5