NSSC SSL Report Creation

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled as on Jun 29, 1991:	Tanna
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP91MT221 BUTTE	Natural Resources Conservation Service
	-	Site ID	S1991MT093005 Lat: 45° 59' 51.99" north Long: 112° 43' 0.00" west	National Soil Survey Center
	-	Pedon No.	91P0944	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

91P05861	A	A1	0-5				SIL	CL
91P05862	A2	A2	5-14				SICL	CL
91P05863	Bt1	Bt1	14-25				SIC	C
91P05864	Bt2	Bt2	25-37				SICL	C
91P05865	Bk1	Bk1	37-66				SICL	SICL
91P05866	Bk2	Bk2	66-87				SICL	SICL
91P05867	Cr1	CR1	87-119					SICL
91P05868	Cr2	CR2	119-165					SICL
91P05869			0-1
91P05870			1-3
91P05871			3-7
91P05872			7-15

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

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

91P05861	0-5	A	S	cl	27.7	36.1	36.2			25.6	10.5	6.2	5.3	5.0	6.7	13.0	9	2	1	38	12
91P05862	5-14	A2	S	cl	33.3	38.6	28.1			26.9	11.7	7.3	5.9	4.8	5.4	4.7	8	2	2	30	12
91P05863	14-25	Bt1	S	c	53.8	28.2	18.0			21.4	6.8	4.2	3.3	3.4	4.2	2.9	2	tr	--	16	2
91P05864	25-37	Bt2	S	c	50.2	34.7	15.1		0.3	26.9	7.8	4.4	2.7	2.3	3.2	2.5	2	tr	--	12	2
91P05865	37-66	Bk1	S	sicl	31.9	54.1	14.0		1.6	42.1	12.0	8.9	3.2	1.0	0.7	0.2	1	tr	--	6	1
91P05866	66-87	Bk2	S	sicl	30.0	58.6	11.4			47.5	11.1	6.1	4.4	0.6	0.3	tr	tr	28	--	32	28
91P05867	87-119	Cr1	GP	sicl	35.5	55.7	8.8			46.2	9.5	6.1	2.3	0.3	0.1	--
91P05868	119-165	Cr2	GP	sicl	30.6	60.2	9.2			50.3	9.9	5.0	2.7	0.8	0.4	0.3
91P05869	0-1		S														19	5	--
91P05870	1-3		S														9	2	--
91P05871	3-7		S														9	2	3
91P05872	7-15		S														10	2	8

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

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	4E2a1a1a1	4C1	3F1a1a	8D1	8D1

91P05861	0-5	A	S							13.0		1.033			24	1.05	0.47
91P05862	5-14	A2	S							14.1		1.037				0.96	0.42
91P05863	14-25	Bt1	S	1.15	1.67	0.131			39.9	25.4		1.055		0.17		0.90	0.47
91P05864	25-37	Bt2	S	1.19	1.61	0.105			36.7	25.1		1.060		0.14		1.04	0.50
91P05865	37-66	Bk1	S	1.01	1.22	0.065			49.6	24.9		1.063		0.25		1.79	0.78
91P05866	66-87	Bk2	S	0.93	1.14	0.061			56.2	27.6			1.066	0.23		1.91	0.92
91P05867	87-119	Cr1	S													1.85	0.95
91P05867	87-119	Cr1	GP							33.6		1.061
91P05868	119-165	Cr2	S													1.77	1.10
91P05868	119-165	Cr2	GP							33.8		1.061
91P05869	0-1		S							9.5		1.022
91P05870	1-3		S							9.6		1.025
91P05871	3-7		S							11.0		1.028
91P05872	7-15		S							11.8		1.030

Water Content

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

(- - Atterberg - -)

(- - - - - Bulk Density - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)

(- - - Limits - - -)

Field

Recon

Field

Recon

(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)

Oven

100

200

500

Depth

kPa

Dry

kPa

Layer

(cm)

Horz

Prep

pct <0.4mm

(- - - - - - - - g cm^-3 - - - - - - -)

(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)

3C1e1a

91P05861

0-5

17.4

91P05862

5-14

19.4

91P05863

14-25

Bt1

32.0

91P05864

25-37

Bt2

32.4

91P05865

37-66

Bk1

35.1

91P05866

66-87

Bk2

39.1

91P05867

87-119

Cr1

45.9

91P05868

119-165

Cr2

45.3

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

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		6C2b	6G7a	6D2a		8J	6C9b	6G12b	6V2b	6D5b

91P05861	0-5	A	S					1.74		0.9	0.1	tr	0.25	0.03	0.14	0.18	0.08	334.3
91P05862	5-14	A2	S					1.20		0.9	0.1	tr	0.23	0.02	0.11	0.17	0.06	379.2
91P05863	14-25	Bt1	S					0.89		0.7	0.1	tr	0.25	0.02	0.10	0.19	0.12	279.1
91P05864	25-37	Bt2	S					0.56		0.4	0.1	tr	0.18	0.02	0.07	0.15	0.12	139.9
91P05865	37-66	Bk1	S					0.32		0.3	0.1	tr	0.14	0.01	0.05	0.11	0.10	91.4
91P05866	66-87	Bk2	S					0.22		0.2	tr	tr	0.15	0.02	0.06	0.12	0.14	80.6
91P05867	87-119	Cr1	GP					0.14					0.13	0.01	0.06	0.11	0.09	--
91P05868	119-165	Cr2	GP					0.07					0.20	0.02	0.11	0.15	0.28	52.2
91P05869	0-1		S							1.1	0.1	tr
91P05870	1-3		S							0.9	0.1	tr
91P05871	3-7		S							0.9	0.1	0.1
91P05872	7-15		S							1.0	0.1	tr

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	5A3b	5G1	5C3	5C1

91P05861	0-5	A	S	13.8	4.9	0.4	3.2	22.3	9.6	0.3	4.3	31.9	29.0	22.6	1	70	77
91P05862	5-14	A2	S	14.8	5.5	0.9	2.8	24.0	9.6	0.5	4.6	33.6	31.9	24.5	2	71	75
91P05863	14-25	Bt1	S	27.4	11.7	2.0	2.4	43.5	6.8			50.3	48.3			86	90
91P05864	25-37	Bt2	S	53.5^*	14.3	2.7	3.0						52.3			100	100
91P05865	37-66	Bk1	S	70.6^*	16.3	4.3	3.2						57.1			100	100
91P05866	66-87	Bk2	S	64.7^*	16.4	5.5	4.1						57.3			100	100
91P05867	87-119	Cr1	GP	36.2^*	14.1	8.8	6.3	65.4	2.6			68.0	65.7			96	100
91P05868	119-165	Cr2	GP	33.3^*	12.7	4.3	4.6	54.9	2.9			57.8	54.3			95	100

^*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

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

91P05861	0-5	A	S	4.4	2.3	1.7	1.5	--	0.4	0.1	0.8				2.4	0.4	5.7	47.5	tr	1.06	0.33	1	1
91P05862	5-14	A2	S																		0.15	3
91P05863	14-25	Bt1	S																		0.16	4
91P05864	25-37	Bt2	S	2.1	1.0	3.4	0.3	--	3.3	0.1	1.0				1.8	0.1	--	76.6	tr	0.63	0.39	5	3
91P05865	37-66	Bk1	S	6.0	2.9	7.7	0.6	--	2.7	0.3	3.4				9.8	0.3	--	79.5	0.1	1.52	0.80	6	4
91P05866	66-87	Bk2	S	27.2	14.0	10.2	1.7	--	2.7	0.5	8.6				45.8	--	--	87.9	0.3	3.95	3.28	8	2
91P05867	87-119	Cr1	GP																			13
91P05868	119-165	Cr2	GP																			8
91P05869	0-1		S	12.4	4.7	1.5	2.2	--	1.0	0.3	0.9				2.7	1.7	16.1	42.6		2.14	0.63
91P05870	1-3		S	3.7	1.8	0.8	1.9	--	0.2	0.2	0.5				1.7	0.3	6.0	37.5		0.91	0.26
91P05871	3-7		S																		0.20
91P05872	7-15		S																		0.10

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		4C1a1a1	6E1g		4E2a1a1a1

91P05861	0-5	A	S		4.7	5.1	4.9		8.5
91P05862	5-14	A2	S		4.5	5.1			8.4
91P05863	14-25	Bt1	S		5.6	6.2			8.8
91P05864	25-37	Bt2	S		7.1	7.6	7.5		10.0	2
91P05865	37-66	Bk1	S		7.6	7.8	7.8		10.3	5		--
91P05866	66-87	Bk2	S		4.7	7.6	7.7		9.7	1		1
91P05867	87-119	Cr1	GP		7.4	7.5			9.0
91P05868	119-165	Cr2	GP		7.1	7.2			8.9
91P05869	0-1		S		4.9	5.2	5.1					--
91P05870	1-3		S		4.2	4.7	4.5
91P05871	3-7		S		4.3	4.8
91P05872	7-15		S		4.4	5.0

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

Phosphorus

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

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

KCl

Melanic

Acid

Anion Exch Resin

Bray

Olsen

H₂O

Citric

Mehlich

Extr

Depth

Index

Oxal

Available

Capacity

Acid

III

NO₃

Layer

(cm)

Horz

Prep

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

6S4

91P05861

0-5

91P05862

5-14

91P05863

14-25

Bt1

91P05864

25-37

Bt2

91P05865

37-66

Bk1

91P05866

66-87

Bk2

91P05867

87-119

Cr1

91P05868

119-165

Cr2

*** Primary Characterization Data ***

Pedon ID: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

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

91P05861

0.0-5.0

tcly

MI 2

MM 2

CA 1

KK 1

FD 1

7.6

2.7

QZ 1

91P05863

14.0-25.0

Bt1

tcly

MT 3

MI 2

FD 2

CA 1

CM 1

8.6

2.6

KK 1

CR 1

91P05864

25.0-37.0

Bt2

tcly

MT 3

MI 2

FD 2

CA 1

QZ 1

7.9

2.5

CR 1

91P05866

66.0-87.0

Bk2

tcly

MT 3

CM 2

FD 1

CA 1

QZ 1

7.7

2.5

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA Calcite	CM Chlorite-Mica	CR Cristobalite	FD Feldspar	KK Kaolinite
MI Mica	MM Montmorillonite-Mica	MT Montmorillonite	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: 91MT093005

( Silver Bow, Montana )

Print Date: Apr 28 2025 7:55PM

Sampled As	:	Tanna
USDA-NRCS-NSSC-Soil Survey Laboratory			;	Pedon No. 91P0944

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

91P05861

0.0-5.0

csi

OT 76

GS 22

PO 3

91P05863

14.0-25.0

Bt1

csi

OT 58

GS 40

PO 2

GC tr

SS tr

91P05864

25.0-37.0

Bt2

csi

OT 53

GS 46

PO tr

GC tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mm

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

NSSC SSL Report Creation