*** Primary Characterization Data ***

Pedon ID: 91MT089016

( Sanders, Montana )

Print Date: Nov 23 2024 8:39PM

Sampled as on May 30, 1991:	Krause ; Sandy-skeletal, mixed Andic Ustochrepts
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP91MT199   SANDERS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1991MT089016   Lat: 47° 34' 7.00" north  Long: 114° 51' 19.99" west	National Soil Survey Center
	-	Pedon No.	91P0861	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
91P05201	A	A	0-3					SIL
91P05202	Bs	Bs	3-33					SIL
91P05203	2E/Bw11	2E/Bw1	33-46					SL
91P05204	2E/Bw12	2E/Bw1	46-81				SL	LCOS
91P05205	2E/Bw2	2E/Bw2	81-152				LCOS	LCOS

---

---

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
91P05201	0-3	A	S	sil	9.4	64.3	26.3			43.7	20.6	10.4	6.1	4.4	3.7	1.7	tr	3	62	71	73
91P05202	3-33	Bs	S	sil	5.6	60.3	34.1			38.9	21.4	11.4	7.3	5.1	5.6	4.7	3	11	55	76	75
91P05203	33-46	2E/Bw11	S	sl	6.2	38.5	55.3			22.9	15.6	10.1	12.8	11.2	10.3	10.9	12	19	51	90	85
91P05204	46-81	2E/Bw12	S	lcos	3.0	20.9	76.1			12.4	8.5	8.2	15.2	16.0	17.9	18.8	9	29	41	93	79
91P05205	81-152	2E/Bw2	S	lcos	4.1	20.8	75.1			14.6	6.2	6.2	12.8	16.6	22.6	16.9	11	22	50	95	83

*** Primary Characterization Data ***

Pedon ID: 91MT089016

( Sanders, Montana )

Print Date: Nov 23 2024 8:39PM

Sampled As	:	Krause		Sandy-skeletal, mixed Andic Ustochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0861

---

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	%
				4A1d	4A1h				4B1c	3C2a1a		3D1		4C1		8D1	8D1
91P05201	0-3	A	S	0.86	0.93	0.014			37.7	18.9		1.051		0.09		4.47	2.01
91P05202	3-33	Bs	S							9.6		1.032				2.68	1.71
91P05203	33-46	2E/Bw11	S							3.9		1.006				0.82	0.63
91P05204	46-81	2E/Bw12	S							2.7		1.004				1.03	0.90
91P05205	81-152	2E/Bw2	S							3.4		1.004				0.95	0.83

---

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 - - - - - - - - - - - - - - - - - - - - - -)

3C1e1a

91P05201

0-3

A

S

32.2

91P05202

3-33

Bs

S

17.5

91P05203

33-46

2E/Bw11

S

7.4

91P05204

46-81

2E/Bw12

S

4.7

91P05205

81-152

2E/Bw2

S

5.9

---

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 - - - - -)
				6A2d				6A1c						8J	6C9b	6G12b	6V2b	6D5b
91P05201	0-3	A	S	10.63				11.46					1.24	0.36	0.48	1.00	0.34	1381.1
91P05202	3-33	Bs	S					1.55					1.75	0.10	0.57	1.47	0.78	388.8
91P05203	33-46	2E/Bw11	S					0.19					0.16	0.03	0.19	0.07	0.02	390.3
91P05204	46-81	2E/Bw12	S					0.14					0.06	0.01	0.08	0.02	--	144.5
91P05205	81-152	2E/Bw2	S					0.07					0.07	0.01	0.10	0.02	0.01	298.8

*** Primary Characterization Data ***

Pedon ID: 91MT089016

( Sanders, Montana )

Print Date: Nov 23 2024 8:39PM

Sampled As	:	Krause		Sandy-skeletal, mixed Andic Ustochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0861

---

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	6G9c	6D3b	5A3a	5A8b			5C3	5C1
91P05201	0-3	A	S	27.9	4.4	--	1.3	33.6	23.1			56.7	42.0			59	80
91P05202	3-33	Bs	S	3.9	0.9	--	0.5	5.3	11.8			17.1	15.0			31	35
91P05203	33-46	2E/Bw11	S	2.5	0.7	tr	0.2	3.4	2.1	--	1.3	5.5	5.1			62	67
91P05204	46-81	2E/Bw12	S	1.6	0.5	--	0.1	2.2	1.1	--	0.5	3.3	3.1			67	71
91P05205	81-152	2E/Bw2	S	2.1	0.9	--	0.1	3.1	1.2			4.3	3.9			72	79

---

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 - -)

%

91P05201

0-3

A

S

--

91P05202

3-33

Bs

S

--

91P05203

33-46

2E/Bw11

S

--

91P05204

46-81

2E/Bw12

S

--

91P05205

81-152

2E/Bw2

S

--

---

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			4C1a1a1
91P05201	0-3	A	S		5.8	6.3			9.7
91P05202	3-33	Bs	S		5.1	5.7			10.2
91P05203	33-46	2E/Bw11	S		4.8	5.5			8.2
91P05204	46-81	2E/Bw12	S		4.8	5.4			7.9
91P05205	81-152	2E/Bw2	S		5.1	5.7			7.9

*** Primary Characterization Data ***

Pedon ID: 91MT089016

( Sanders, Montana )

Print Date: Nov 23 2024 8:39PM

Sampled As	:	Krause		Sandy-skeletal, mixed Andic Ustochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0861

---

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

91P05201

0-3

A

S

55

91P05202

3-33

Bs

S

63

91P05203

33-46

2E/Bw11

S

18

91P05204

46-81

2E/Bw12

S

11

91P05205

81-152

2E/Bw2

S

20

*** Primary Characterization Data ***

Pedon ID: 91MT089016

( Sanders, Montana )

Print Date: Nov 23 2024 8:39PM

Sampled As	:	Krause		Sandy-skeletal, mixed Andic Ustochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0861

---

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
91P05202	3.0-33.0	Bs	tcly	MI 1	FD 1	KH 1	QZ 1	CA 1						12	4.0			1.3
				HE 1

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	FD Feldspar	HE Hematite	KH Halloysite	MI Mica
QZ Quartz

RELATIVE PEAK SIZE:

5 Very Large

4 Large

3 Medium

2 Small

1 Very Small

6 No Peaks

*** Primary Characterization Data ***

Pedon ID: 91MT089016

( Sanders, Montana )

Print Date: Nov 23 2024 8:39PM

Sampled As	:	Krause		Sandy-skeletal, mixed Andic Ustochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No.  91P0861

---

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

91P05201

0.0-3.0

A

csi

OT 57

GS 29

PO 10

GC 3

91P05202

3.0-33.0

Bs

csi

OT 68

GS 25

PO 4

GC 4

91P05203

33.0-46.0

2E/Bw11

csi

OT 99

GS 1

PO tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm

MINERAL INTERPRETATION:
GC Glass-coated Grain	GS Glass	OT Other	PO Plant Opal