*** Primary Characterization Data ***

Pedon ID: 85MT017009

( Custer, Montana )

Print Date: Nov 21 2024 2:15PM

Sampled as on Jun 29, 1985:	Creed ; Fine, montmorillonitic Borollic Natrargids
Revised to correlated:	(unnamed) ; Fine, smectitic Borollic Natrargid

				United States Department of Agriculture
SSL	-	Project	CP85MT238   SOUTHWEST AREA	Natural Resources Conservation Service
	-	Site ID	S1985MT017009   Lat: 46° 31' 50.00" north  Long: 105° 58' 3.00" west  MLRA: 58A	National Soil Survey Center
	-	Pedon No.	85P0783	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
85P04165	A	A	0-10				L	L
85P04166	E	E	10-18				SCL	FSL
85P04167	Bt	Bt	18-41				C	CL
85P04168	Bk1	Bk1	41-53				C	CL
85P04169	Bk2	Bk2	53-91				C	CL
85P04170	Bk3	Bk3	91-152				CL	L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.78	(NA)
Clay, carbonate free, Weighted Average	33	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	16	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	33	% wt
Weighted averages based on control section: 18-41 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	3B1	3B1	3B1
85P04165	0-10	A	S	l	21.0	33.9	45.1			14.5	19.4	17.8	19.3	6.6	1.1	0.3	1	1	--	29	2
85P04166	10-18	E	S	fsl	16.1	23.0	60.9			9.4	13.6	21.2	29.4	8.7	1.2	0.4	2	tr	--	41	2
85P04167	18-41	Bt	S	cl	33.4	35.9	30.7			20.2	15.7	14.3	12.3	3.3	0.4	0.4	--	tr	--	16	tr
85P04168	41-53	Bk1	S	cl	36.3	34.5	29.2			21.0	13.5	12.2	11.7	4.6	0.5	0.2	tr	--	--	17	tr
85P04169	53-91	Bk2	S	cl	38.6	36.3	25.1			24.7	11.6	9.9	11.7	3.2	0.3	--	tr	--	--	15	tr
85P04170	91-152	Bk3	S	l	26.3	49.9	23.8			24.5	25.4	14.4	7.0	2.1	0.3	--	tr	tr	--	9	tr

*** Primary Characterization Data ***

Pedon ID: 85MT017009

( Custer, Montana )

Print Date: Nov 21 2024 2:15PM

Sampled As	:	Creed		Fine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0783

---

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	%
										3C2a1a		3D1	4E2a1a1a1			8D1	8D1
85P04165	0-10	A	S							10.3		1.019				0.89	0.49
85P04166	10-18	E	S							8.1		1.016				0.94	0.50
85P04167	18-41	Bt	S							16.3		1.023				0.78	0.49
85P04168	41-53	Bk1	S							17.5			1.026			0.80	0.48
85P04169	53-91	Bk2	S							18.7		1.024				0.75	0.48
85P04170	91-152	Bk3	S							13.4		1.018				0.90	0.51

---

Water Content				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-
				(- - Atterberg - -)		(- - - - - Bulk Density - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
				(- - - Limits - - -)		Field	Recon	Recon	Field	Recon	(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
				LL	PI		33	Oven		33	6	10	33	100	200	500
	Depth						kPa	Dry		kPa	kPa	kPa	kPa	kPa	kPa	kPa
Layer	(cm)	Horz	Prep	pct <0.4mm		(- - - - - - - - g cm-3 - - - - - - -)			(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
				4F1	4F
85P04165	0-10	A	S	32	12
85P04167	18-41	Bt	S	49	33

---

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 - - - - -)

6B3a

6A1c

85P04165

0-10

A

S

0.073

1.57

22

85P04166

10-18

E

S

0.063

0.81

13

85P04167

18-41

Bt

S

0.063

0.95

15

85P04168

41-53

Bk1

S

0.97

85P04169

53-91

Bk2

S

0.89

85P04170

91-152

Bk3

S

1.33

*** Primary Characterization Data ***

Pedon ID: 85MT017009

( Custer, Montana )

Print Date: Nov 21 2024 2:15PM

Sampled As	:	Creed		Fine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0783

---

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 - - -)			(- - - - - - - - % - - - - - - - -)
				6N2e	6O2d	6P2b	6Q2b		6H5a				5A8b			5C3	5C1
85P04165	0-10	A	S	15.4*	7.0	0.5	0.7		0.9				18.6			96	100
85P04166	10-18	E	S	28.5*	6.4	1.3	0.3		--				15.1			100	100
85P04167	18-41	Bt	S	41.8*	11.4	8.0	0.5						26.1			100	100
85P04168	41-53	Bk1	S	51.2*	12.0	9.9	0.6						29.2			100	100
85P04169	53-91	Bk2	S	40.7*	10.3	10.1	0.6						28.8			100	100
85P04170	91-152	Bk3	S	36.6*	8.3	8.6	0.5						23.8			100	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 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 - -)		%
				6N1b	6O1b	6P1b	6Q1b	6I1b	6J1b	6U1a	6K1c				6L1c	6W1a	6M1c	8A	8D5	8A3a	4F1a1a1		5E
85P04165	0-10	A	S	2.8	1.8	2.6	0.4	--	5.7	0.3	0.3				0.6	tr	--	47.9	tr	0.66	0.35	2	2
85P04166	10-18	E	S	1.3	0.7	5.7	0.1	--	5.9	0.4	0.5				0.8	tr	--	37.8	tr	0.69	0.35	7	6
85P04167	18-41	Bt	S	1.2	0.6	14.3	0.1	--	7.0	0.7	1.9				6.5	--	--	75.2	0.1	1.53	1.04	27	15
85P04168	41-53	Bk1	S	23.8	14.9	64.5	0.5	--	4.7	1.5	2.1				82.2	--	--	66.8	0.4	7.81	5.30	19	15
85P04169	53-91	Bk2	S	6.7	3.9	40.5	0.3	--	3.5	0.9	1.8				37.5	0.3	4.0	84.0	0.3	4.62	2.49	23	18
85P04170	91-152	Bk3	S	9.8	5.4	49.7	0.4	--	3.6	1.4	1.8				49.2	--	6.9	61.9	0.3	5.64	2.34	23	18

---

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
					4C1a2a	4C1a2a	8C1b			6E1g		4E2a1a1a1		8E1
85P04165	0-10	A	S		7.3	8.0	7.5			1
85P04166	10-18	E	S		7.7	8.5	8.0			4
85P04167	18-41	Bt	S		8.5	8.5	8.2			5		--
85P04168	41-53	Bk1	S		7.9	7.8	7.7			3		tr
85P04169	53-91	Bk2	S		7.9	7.9	7.8			3		--
85P04170	91-152	Bk3	S		8.1	8.0	7.8			4		--		490

*** Primary Characterization Data ***

Pedon ID: 85MT017009

( Custer, Montana )

Print Date: Nov 21 2024 2:15PM

Sampled As	:	Creed		Fine, montmorillonitic Borollic Natrargids
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  85P0783

---

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

7A3b

7C3

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

85P04165

0.0-10.0

A

tcly

MT 4

MI 3

KK 3

QZ 1

KK 3

6.0

1.7

85P04167

18.0-41.0

Bt

tcly

MT 4

KK 3

MI 2

QZ 1

KK 8

6.0

1.4

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK Kaolinite	MI Mica	MT Montmorillonite	QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks