*** Primary Characterization Data ***

Pedon ID: S1970MT027002

( Fergus, Montana )

Print Date: Nov 11 2024 9:34PM

Sampled as on Dec 30, 1969:	Coffeek
Revised to correlated:	Fairfield ; Fine-loamy, mixed, superactive, frigid Typic Argiborolls

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1970MT027002   Lat: 47° 16' 59.70" north  Long: 109° 58' 2.97" west  MLRA: 58A	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3693	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
40A28469	Ap	Ap	0-12	70L0731				CL
40A28470	B1	B2	12-24	70L0732				CL
40A28471	B2	B3	24-38	70L0733				CL
40A28472	Bk	C1ca	38-84	70L0734				C
40A28473	C	C 2	84-152	70L0735				CL

---

Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	24	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	38	% wt
Volume, >2mm, Weighted Average	14	% vol
Clay, total, Weighted Average	39	% wt
Weighted averages based on control section: 25-100 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
40A28469	0-12	Ap	S	cl	31.5	41.2	27.3		--	18.7	22.5	7.9	10.1	4.8	3.3	1.2	2	6	--	26	8
40A28470	12-24	B1	S	cl	33.8	38.4	27.8		--	17.1	21.3	7.4	10.4	5.3	3.6	1.1	3	5	--	27	8
40A28471	24-38	B2	S	cl	36.5	30.6	32.9		11.0	16.9	13.7	8.3	14.0	6.5	3.1	1.0	4	5	--	31	9
40A28472	38-84	Bk	S	c	41.4	32.2	26.4		19.0	17.9	14.3	6.7	10.3	5.0	3.0	1.4	12	16	--	42	28
40A28473	84-152	C	S	cl	36.1	42.3	21.6		8.0	21.2	21.1	6.2	7.6	4.5	2.5	0.8	13	4	--	30	17

*** Primary Characterization Data ***

Pedon ID: S1970MT027002

( Fergus, Montana )

Print Date: Nov 11 2024 9:34PM

Sampled As	:	Coffeek
USDA-SCS-Soil Survey Laboratory			;	Pedon No.  40A3693

---

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	4B1c	3C2a1a
40A28469	0-12	Ap	S	1.23	1.38	0.037			29.4	13.4				0.19			0.43
40A28470	12-24	B1	S	1.34	1.50	0.037		28.1	22.8	13.9				0.11			0.41
40A28471	24-38	B2	S							14.3							0.39
40A28472	38-84	Bk	S	1.50	1.61	0.019		23.7	21.1	13.3				0.10			0.32
40A28473	84-152	C	S	1.40	1.54	0.029		27.7	22.3	13.0				0.12			0.36

---

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 - - - - -)

6A1a

40A28469

0-12

Ap

S

2.14

40A28470

12-24

B1

S

1.74

40A28471

24-38

B2

S

1.17

40A28472

38-84

Bk

S

0.56

40A28473

84-152

C

S

0.15

---

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				6E1b
40A28469	0-12	Ap	S		7.2	7.3				--
40A28470	12-24	B1	S		7.3	7.4				--
40A28471	24-38	B2	S		7.7	7.8				22
40A28472	38-84	Bk	S		7.8	7.9				30
40A28473	84-152	C	S		8.4	8.6				18