*** Primary Characterization Data ***

Pedon ID: S1971MT031001

( Gallatin, Montana )

Print Date: Dec 17 2024 9:25PM

Sampled as on Aug 30, 1971:	Unnamed
Revised to :

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1971MT031001   Lat: 45° 38' 3.67" north  Long: 110° 59' 26.99" west	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3727	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

---

Layer	Horizon	Orig Hzn	Depth (cm)	Field Label 1	Field Label 2	Field Label 3	Field Texture	Lab Texture
40A28720	A1	A11	0-6	71L1036				CL
40A28721	A2	A12	6-18	71L1037				CL
40A28722	Bt1	B21t	18-29	71L1038				CL
40A28723	Bt2	B22t	29-42	71L1039				SCL
40A28724	Bt3	B23t	42-61	71L1040				SCL
40A28725	Bk1	C1ca	61-86	71L1041				SCL
40A28726	Bk2	C2ca	86-130	71L1042				SCL
40A28727	2C	2C 3	130-175	71L1043				L

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.14	(NA)
Clay, carbonate free, Weighted Average	29	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	75	% wt
Volume, >2mm, Weighted Average	43	% vol
Clay, total, Weighted Average	29	% wt
Weighted averages based on control section: 18-61 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
40A28720	0-6	A1	S	cl	28.1	43.5	28.4	15.1		24.7	18.8	9.1	7.8	3.5	4.1	3.9	3	2	--	23	5
40A28721	6-18	A2	S	cl	28.6	35.6	35.8	17.2		20.1	15.5	9.7	10.4	4.5	5.7	5.5	4	5	--	33	9
40A28722	18-29	Bt1	S	cl	32.8	25.4	41.8	21.3		14.0	11.4	10.3	13.9	5.8	6.5	5.3	10	18	31	72	59
40A28723	29-42	Bt2	S	scl	28.9	21.1	50.0	13.7		13.2	7.9	9.5	13.3	7.4	10.3	9.5	10	18	31	76	59
40A28724	42-61	Bt3	S	scl	27.1	20.5	52.4	11.0	--	13.3	7.2	8.9	10.8	7.4	13.9	11.4	10	18	31	77	59
40A28725	61-86	Bk1	S	scl	25.0	25.1	49.9	6.3	2.0	17.6	7.5	9.0	9.8	6.1	12.2	12.8	11	16	29	74	56
40A28726	86-130	Bk2	S	scl	26.2	21.6	52.2	7.6	1.0	13.4	8.2	8.8	11.6	7.1	11.5	13.2	8	20	36	80	64
40A28727	130-175	2C	S	l	26.3	37.6	36.1	7.1	--	19.8	17.8	22.0	10.4	1.4	1.3	1.0	2	3	--	18	5

*** Primary Characterization Data ***

Pedon ID: S1971MT031001

( Gallatin, Montana )

Print Date: Dec 17 2024 9:25PM

Sampled As	:	Unnamed
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3727

---

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			4B1c	NK	NK
40A28720	0-6	A1	S							24.4						1.56	0.87
40A28721	6-18	A2	S	1.04	1.13	0.027		30.0	28.0	17.5				0.11		1.29	0.61
40A28722	18-29	Bt1	S							15.4						0.98	0.47
40A28723	29-42	Bt2	S	1.29	1.48	0.027		22.0	20.8	13.8				0.05		1.12	0.48
40A28724	42-61	Bt3	S							13.8						1.25	0.51
40A28725	61-86	Bk1	S	1.24	1.40	0.025		25.6	24.0	12.3				0.09		1.09	0.49
40A28726	86-130	Bk2	S	1.27	1.41	0.019		25.9	24.5	12.7				0.08		1.02	0.48
40A28727	130-175	2C	S	1.42	1.54	0.027		25.3	20.7	13.6				0.10		0.97	0.52

---

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

40A28720

0-6

A1

S

9.88

40A28721

6-18

A2

S

5.27

40A28722

18-29

Bt1

S

1.88

40A28723

29-42

Bt2

S

1.11

40A28724

42-61

Bt3

S

0.87

40A28725

61-86

Bk1

S

0.55

40A28726

86-130

Bk2

S

0.28

40A28727

130-175

2C

S

0.21

*** Primary Characterization Data ***

Pedon ID: S1971MT031001

( Gallatin, Montana )

Print Date: Dec 17 2024 9:25PM

Sampled As	:	Unnamed
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3727

---

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						NK
40A28720	0-6	A1	S	25.0	3.5	0.1	2.0	30.6				30.6	43.7			100	70
40A28721	6-18	A2	S	20.9	2.6	0.1	1.2	24.8				24.8	36.8			100	67
40A28722	18-29	Bt1	S	21.8	2.8	0.1	0.9	25.6				25.6	32.1			100	80
40A28723	29-42	Bt2	S	23.6	2.8	0.3	0.6						32.4			100	84
40A28724	42-61	Bt3	S	31.3*	2.5	0.2	0.5						34.0			100	100
40A28725	61-86	Bk1	S	28.9*	1.5	0.2	0.4						27.2			100	100
40A28726	86-130	Bk2	S	25.8*	3.7	0.2	0.5						26.8			100	100
40A28727	130-175	2C	S	19.7*	9.2	0.3	0.6						25.6			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 - -)		%
				NK	NK	NK	NK	NK	NK		NK				NK			NK	8D5	NK
40A28720	0-6	A1	S																			tr
40A28721	6-18	A2	S	6.5	1.5	0.2	0.5	--	3.9		1.6				--			75.3	tr	0.81		tr	tr
40A28722	18-29	Bt1	S																			tr
40A28723	29-42	Bt2	S	3.1	0.6	0.3	0.1	--	2.8		0.5				--			49.5	tr	0.34		1	tr
40A28724	42-61	Bt3	S																			1
40A28725	61-86	Bk1	S																			1
40A28726	86-130	Bk2	S	3.0	0.7	0.5	tr	--	3.5		--				--			42.8	tr	0.38		1	tr
40A28727	130-175	2C	S																			1

*** Primary Characterization Data ***

Pedon ID: S1971MT031001

( Gallatin, Montana )

Print Date: Dec 17 2024 9:25PM

Sampled As	:	Unnamed
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3727

---

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
					8C1e	8C1a	NK			NK
40A28720	0-6	A1	S		5.3	5.5
40A28721	6-18	A2	S		5.5	5.8	5.7
40A28722	18-29	Bt1	S		5.7	6.1
40A28723	29-42	Bt2	S		6.0	6.4	6.0			--
40A28724	42-61	Bt3	S		6.9	7.0				--
40A28725	61-86	Bk1	S		7.4	7.7				11
40A28726	86-130	Bk2	S		7.6	8.0	7.5			8
40A28727	130-175	2C	S		7.7	8.2				2