*** Primary Characterization Data ***

Pedon ID: S1974MT055002

( McCone, Montana )

Print Date: May 20 2024 7:36AM

Sampled as on Aug 30, 1974:	Lonna
Revised to :

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1974MT055002   Lat: 47° 12' 58.79" north  Long: 106° 9' 1.49" west	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3734	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

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Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A28772	A	A1	0-8	74L1175				SIL
40A28773	B	B2	8-17	74L1176				SICL
40A28774	Bk1	B3ca	17-30	74L1177				SICL
40A28775	Bk2	C1ca	30-40	74L1178				SICL
40A28776	Bk3	C2ca	40-67	74L1179				SIL
40A28777	C1	C 3	67-125	74L1180				SIL
40A28778	C2	C 4	125-183	74L1181				SIL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.63	(NA)
Clay, carbonate free, Weighted Average	16	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	2	% wt
Clay, total, Weighted Average	18	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 25-100 cm

---

PSDA  &  Rock Fragments				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
					(- - - - - Total - - - - - -)			(- - Clay - - -)		(- - - - Silt - - - - -)		(- - - - - - - - - - - - Sand - - - - - - - - - - - -)					( Rock Fragments   (mm) )
				Lab	Clay	Silt	Sand	Fine	CO3	Fine	Coarse	VF	F	M	C	VC	(- - - - - - - - Weight - - - - - - - -)				>2 mm
				Text-	<	.002	.05	<	<	.002	.02	.05	.10	.25	.5	1	2	5	20	.1-	wt %
	Depth			ure	.002	-.05	-2	.0002	.002	-.02	-.05	-.10	-.25	-.50	-1	-2	-5	-20	-75	75	whole
Layer	(cm)	Horz	Prep		(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)												(- - - - - - - % of <75mm - - - - - -)				soil
				3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3A1a1a	3B1	3B1	3B1
40A28772	0-8	A	S	sil	26.1	55.4	18.5	12.1	--	28.9	26.5	14.8	3.5	0.1	0.1	tr	--	--	--	4	--
40A28773	8-17	B	S	sicl	30.0	59.2	10.8	8.6	3.0	38.2	21.0	9.0	1.8	tr	tr	tr	--	--	--	2	--
40A28774	17-30	Bk1	S	sicl	29.2	61.5	9.3	8.4	4.0	40.8	20.7	7.9	1.4	tr	tr	--	--	--	--	1	--
40A28775	30-40	Bk2	S	sicl	30.9	61.8	7.3	7.9	5.0	42.5	19.3	6.4	0.9	tr	tr	--	--	--	--	1	--
40A28776	40-67	Bk3	S	sil	21.8	62.5	15.7	6.3	5.0	33.9	28.6	13.9	1.6	0.1	0.1	tr	--	--	--	2	--
40A28777	67-125	C1	S	sil	10.1	68.8	21.1	1.4	--	35.4	33.4	18.9	2.1	0.1	tr	--	--	--	--	2	--
40A28778	125-183	C2	S	sil	18.7	59.8	21.5	5.2	1.0	29.4	30.4	19.1	2.4	tr	tr	--	--	--	--	2	--

*** Primary Characterization Data ***

Pedon ID: S1974MT055002

( McCone, Montana )

Print Date: May 20 2024 7:36AM

Sampled As	:	Lonna
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3734

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Bulk Density  &  Moisture				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(Bulk Density)		Cole	(- - - - - - - - - - - Water Content - - - - - - - - - - -)					( Air Dry-Oven Dry )		WRD	Aggst
				33	Oven	Whole	6	10	33	1500	1500 kPa	(- - - - Ratio - - - -)		Whole	Stabl	(- - Ratio/Clay - -)
	Depth			kPa	Dry	Soil	kPa	kPa	kPa	kPa	Moist		Corrected	Soil	2-0.5mm	CEC7	1500 kPa
Layer	(cm)	Horz	Prep	(- - - g cm-3 - - -)			(- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -)							cm3 cm-3	%
				NK	4A1h				NK	NK
40A28772	0-8	A	S	1.33	1.39	0.015			24.5	9.6				0.20		0.72	0.37
40A28773	8-17	B	S	1.30	1.39	0.023			21.6	11.1				0.14		0.48	0.37
40A28774	17-30	Bk1	S	1.23	1.30	0.019			24.8	10.3				0.18		0.41	0.35
40A28775	30-40	Bk2	S	1.29	1.35	0.015			24.4	9.4				0.19		0.35	0.30
40A28776	40-67	Bk3	S	1.51	1.58	0.015			20.9	7.5				0.20		0.38	0.34
40A28777	67-125	C1	S	1.42	1.46	0.009			26.6	6.5				0.29		0.83	0.64
40A28778	125-183	C2	S	1.34	1.41	0.017			30.1	6.5				0.32		0.41	0.35

---

Carbon  &  Extractions				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-
				(- - - - - Total - - - - -)			Est	OC	C/N	(- - - Dith-Cit Ext - - -)			(- - - - - - Ammonium Oxalate Extraction - - - - - -)						(- - - Na Pyro-Phosphate - - -)
	Depth			C	N	S	OC	(WB)	Ratio	Fe	Al	Mn	Al+½Fe	ODOE	Fe	Al	Si	Mn	C	Fe	Al	Mn
Layer	(cm)	Horz	Prep	(- - - - - - - - - - % of <2 mm - - - - - - - - - -)						(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)								mg kg-1	(- - - - - - % of < 2mm - - - - -)
								NK		NK
40A28772	0-8	A	S					2.08		0.9
40A28773	8-17	B	S					1.41		0.7
40A28774	17-30	Bk1	S					1.20		0.7
40A28775	30-40	Bk2	S					0.97		0.6
40A28776	40-67	Bk3	S					0.57		0.6
40A28777	67-125	C1	S					0.36		0.6
40A28778	125-183	C2	S					0.23		0.6

*** Primary Characterization Data ***

Pedon ID: S1974MT055002

( McCone, Montana )

Print Date: May 20 2024 7:36AM

Sampled As	:	Lonna
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3734

---

CEC  &  Bases				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-
				(- - - - - - NH4OAC Extractable Bases - - - - -)								CEC8	CEC7	ECEC		(- - - - Base - - - -)
								Sum	Acid-	Extr	KCl	Sum	NH4	Bases	Al	(- Saturation -)
	Depth			Ca	Mg	Na	K	Bases	ity	Al	Mn	Cats	OAC	+Al	Sat	Sum	NH4OAC
Layer	(cm)	Horz	Prep	(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)							mg kg-1	(- - - - cmol(+) kg-1 - - -)			(- - - - - - - - % - - - - - - - -)
					NK	NK	NK						NK
40A28772	0-8	A	S		4.9	tr	1.0						18.8			100
40A28773	8-17	B	S		5.1	tr	0.6						14.3			100
40A28774	17-30	Bk1	S		5.3	tr	0.4						12.0			100
40A28775	30-40	Bk2	S		7.3	0.1	0.3						10.8			100
40A28776	40-67	Bk3	S		12.4	0.9	0.2						8.2			100
40A28777	67-125	C1	S		19.2	3.3	0.2						8.4			100
40A28778	125-183	C2	S		14.0	3.2	0.2						7.7			100

---

Salt				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-	-19-	-20-
				(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)																	1:2
																			Total	Elec	Elec	Exch
	Depth			Ca	Mg	Na	K	CO3	HCO3	F	Cl	PO4	Br	OAC	SO4	NO2	NO3	H2O	Salts	Cond	Cond	Na	SAR
Layer	(cm)	Horz	Prep	(- - - - - mmol(+) L-1 - - - - -)				(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)										(- - - - % - - - -)		(- - dS m-1 - -)		%
				NK	NK	NK	NK	NK	NK		NK				NK			NK	8D5	NK
40A28772	0-8	A	S	4.5	2.8	0.1	0.6	--	5.7		--				0.2			48.8	tr	0.75		--	tr
40A28773	8-17	B	S	3.8	2.1	0.1	0.3	--	5.1		--				--			50.0	tr	0.57		--	tr
40A28774	17-30	Bk1	S	3.2	2.2	0.1	0.3	--	5.4		--				--			51.1	tr	0.52		--	tr
40A28775	30-40	Bk2	S	2.6	2.8	0.3	0.2	--	5.1		--				--			47.3	tr	0.52		1	tr
40A28776	40-67	Bk3	S	1.5	7.0	9.4	0.2	--	8.0		4.2				4.7			39.5	tr	1.53		6	5
40A28777	67-125	C1	S	8.6	84.0	58.4	0.5	--	2.8		13.4				136.0			34.8	0.3	9.15		15	9
40A28778	125-183	C2	S	17.6	78.0	60.0	0.5	--	2.3		11.9				142.0			36.4	0.3	9.31		13	9

*** Primary Characterization Data ***

Pedon ID: S1974MT055002

( McCone, Montana )

Print Date: May 20 2024 7:36AM

Sampled As	:	Lonna
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3734

---

pH  &  Carbonates				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-
				(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)						(- - Carbonate - -)		(- - Gypsum - - -)
					CaCl2					As CaCO3		As CaSO4*2H2O		Resist
	Depth				0.01M	H2O	Sat			<2mm	<20mm	<2mm	<20mm	ohms
Layer	(cm)	Horz	Prep	KCl	1:2	1:1	Paste	Oxid	NaF	(- - - - - - - - - - - - % - - - - - - - - - - -)				cm-1
							NK			NK		NK
40A28772	0-8	A	S				7.3			--
40A28773	8-17	B	S				7.6			19
40A28774	17-30	Bk1	S				7.6			25
40A28775	30-40	Bk2	S				7.9			29
40A28776	40-67	Bk3	S				7.9			28
40A28777	67-125	C1	S				8.6			26		--
40A28778	125-183	C2	S				8.5			26		--

*** Primary Characterization Data ***

Pedon ID: S1974MT055002

( McCone, Montana )

Print Date: May 20 2024 7:36AM

Sampled As	:	Lonna
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3734

---

Clay Mineralogy (<.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Elemental

EGME

Inter

SiO2

Al2O3

Fe2O3

MgO

CaO

K2O

Na2O

Retn

preta

Depth

Fract

7A2i

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tion

Layer

(cm)

Horz

ion

( - - - - - - - - - peak size - - - - - - - - - - )

(- - - - - - - - - % - - - - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)

mg g-1

40A28775

30.0-40.0

Bk2

tcly

MI 2

KK 2

MT 2

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FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm	&nbsp;	&nbsp;	&nbsp;	&nbsp;

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	 	 

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks