*** Primary Characterization Data ***

Pedon ID: 88MT089007

( Sanders, Montana )

Print Date: Jan 11 2025 3:12AM

Sampled as on Sep 1, 1988:	Bigdraw ; Fine-loamy, mixed, frigid Typic Argixeroll
Revised to correlated:	Bigdraw ; Fine-loamy, mixed, active, frigid Typic Argixerolls

				United States Department of Agriculture
SSL	-	Project	CP89MT030   SANDERS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1988MT089007   Lat: 47° 50' 43.01" north  Long: 114° 37' 18.00" west  MLRA: 44	National Soil Survey Center
	-	Pedon No.	89P0091	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
89P00804	A1	A1	0-10				L	SL
89P00805	A2	A2	10-25					SL
89P00806	Bt	Bt	25-53				CL	COSL
89P00807	C/Bk	C/Bk	53-89					COSL
89P00808	Cr/Bk	CRBk	89-152					COSL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	12	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	77	% wt
Volume, >2mm, Weighted Average	27	% vol
Clay, total, Weighted Average	12	% wt
Weighted averages based on control section: 25-53 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	3B1	3B1	3B1
89P00804	0-10	A1	S	sl	16.6	27.8	55.6			18.7	9.1	8.8	13.8	14.2	11.6	7.2	6	4	--	52	10
89P00805	10-25	A2	S	sl	16.7	26.3	57.0			17.0	9.3	8.7	14.0	15.0	11.8	7.5	4	6	8	58	18
89P00806	25-53	Bt	S	cosl	12.3	18.4	69.3			12.6	5.8	7.9	14.0	15.3	16.8	15.3	22	11	8	77	41
89P00807	53-89	C/Bk	S	cosl	13.9	19.7	66.4		--	14.5	5.2	8.5	13.8	15.8	16.1	12.2	6	21	28	81	55
89P00808	89-152	Cr/Bk	GP	cosl	10.5	24.3	65.2			14.0	10.3	6.9	13.2	14.7	15.6	14.8

*** Primary Characterization Data ***

Pedon ID: 88MT089007

( Sanders, Montana )

Print Date: Jan 11 2025 3:12AM

Sampled As	:	Bigdraw		Fine-loamy, mixed, frigid Typic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0091

---

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					8D1
89P00804	0-10	A1	S							14.6		1.016					0.88
89P00805	10-25	A2	S							14.5		1.014					0.87
89P00806	25-53	Bt	S							20.5		1.007					1.67
89P00807	53-89	C/Bk	S							21.2		1.007					1.53
89P00808	89-152	Cr/Bk	S														1.84
89P00808	89-152	Cr/Bk	GP							19.3		1.005

---

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 - - - - -)

6A1c

89P00804

0-10

A1

S

2.23

89P00805

10-25

A2

S

1.28

89P00806

25-53

Bt

S

0.35

89P00807

53-89

C/Bk

S

0.33

89P00808

89-152

Cr/Bk

GP

0.03

---

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

6E1g

6E4

89P00804

0-10

A1

S

5.6

6.5

89P00805

10-25

A2

S

5.6

6.3

89P00806

25-53

Bt

S

6.0

6.4

89P00807

53-89

C/Bk

S

8.0

7.6

8

5

89P00808

89-152

Cr/Bk

GP

8.0

8.1

tr

*** Primary Characterization Data ***

Pedon ID: 88MT089007

( Sanders, Montana )

Print Date: Jan 11 2025 3:12AM

Sampled As	:	Bigdraw		Fine-loamy, mixed, frigid Typic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0091

---

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)

KCl

Melanic

NZ

Acid

Anion Exch Resin

Bray

Bray

Olsen

H2O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

1

2

Acid

III

NO3

Layer

(cm)

Horz

Prep

%

(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)

6S4

89P00804

0-10

A1

S

28

89P00805

10-25

A2

S

15

89P00806

25-53

Bt

S

10

89P00807

53-89

C/Bk

S

6

89P00808

89-152

Cr/Bk

GP

10

*** Primary Characterization Data ***

Pedon ID: 88MT089007

( Sanders, Montana )

Print Date: Jan 11 2025 3:12AM

Sampled As	:	Bigdraw		Fine-loamy, mixed, frigid Typic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0091

---

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									7C3								tion
Layer	(cm)	Horz	ion	( - - - - - - - - - peak size - - - - - - - - - - )					(- - - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)							mg g-1
89P00806	25.0-53.0	Bt	tcly	KK 5	CR 4	MT 2	MC 2							18	0.4			0.3

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CR Cristobalite	KK Kaolinite	MC Montmorillonite-Chlorite	MT Montmorillonite

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 88MT089007

( Sanders, Montana )

Print Date: Jan 11 2025 3:12AM

Sampled As	:	Bigdraw		Fine-loamy, mixed, frigid Typic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0091

---

Sand - Silt Mineralogy (2.0-0.002 mm)				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	-17-	-18-
				X-Ray					Thermal				Optical							EGME	Inter
													Tot Re	Grain Count						Retn	preta
	Depth		Fract										7B1a2								tion
Layer	(cm)	Horz	ion	( - - - - - - - - peak size - - - - - - - - - )					(- - - - - - - - % - - - - - - - - - -)				(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -)							mg g-1
89P00808	89.0-152.0	Cr/Bk	vfs											OT 67	GA 29	GC 4	GS tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm

MINERAL INTERPRETATION:
GA Glass Aggregates	GC Glass-coated Grain	GS Glass	OT Other

*** Primary Characterization Data ***

Pedon ID: 88MT089007

( Sanders, Montana )

Print Date: Jan 11 2025 3:12AM

Sampled As	:	Bigdraw		Fine-loamy, mixed, frigid Typic Argixeroll
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  89P0091

---

Sand - Silt Mineralogy (2.0-0.002 mm)

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

-17-

-18-

X-Ray

Thermal

Optical

EGME

Inter

Tot Re

Grain Count

Retn

preta

Depth

Fract

7B1a2

tion

Layer

(cm)

Horz

ion

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

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

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

mg g-1

89P00806

25.0-53.0

Bt

fs

15

GA 32

MS 27

AR 14

BT 7

QZ 6

CD 6

OP 3

OT 3

GC 2

MI tr

GS tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable Aggregates	BT Biotite	CD Chert (Chalcedony	GA Glass Aggregates	GC Glass Coated Grain
GS Glass	MI Mica	MS Muscovite	OP Opaques	OT Other
QZ Quartz