*** Taxonomy Characterization Data ***

Pedon ID: S1971MT069003

( Petroleum, Montana )

Print Date: Nov 21 2024 11:21AM

Sampled as on May 30, 1971:	Tealer
Revised to correlated:	GERDRUM ; Fine, smectitic Borollic Natrargids

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1971MT069003   Lat: 46° 52' 49.73" north  Long: 108° 22' 41.73" west  MLRA: 58A	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3721	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

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Taxonomy Tier 1				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-
					Fine	CaCO3	1500		.1-75	Bulk	Cole	Vol	Resist
				Clay	Clay	Clay	kPa	Clay	mm	Den	Whole	% of	Min
	Depth			<.002	<.0002	<.002	/Clay	Est	Frac	33 kPa	Soil	Whole	%
Layer	(cm)	Horz	Prep	(---------% of <2 mm-------)				(-------- % --------)		g cm-3	cm cm-1
				3A1a1a	3A1a1a	3A1a1a				NK
40A28673	0-6	A/B	S	43.3	20.6		0.31		9	1.41	0.032	1
40A28674	6-22	Bt1	S	53.3	11.7	--	0.33		9	1.32	0.068	--
40A28675	22-43	Bt2	S	47.7	13.4	3.0	0.32		11	1.46	0.058	--
40A28676	43-74	By1	S	47.2		tr	0.33		11	1.53	0.044	--
40A28677	74-105	By2	S	45.8		--	0.32		9			--
40A28678	105-134	By3	S	45.8		--	0.30		14	1.47	0.035	--
40A28679	134-168	By4	S	45.1		--	0.31		13			--

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Taxonomy Tier 2				-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-
				pH	pH	Org	Tot	Al+½ Fe		CO3 as	(--- Base Sat ---)		NZ	ECEC	CEC7	ECEC	Al
	Depth			H2O	NaF	C	C	Oxal	ODOE	CaCO3	NH4	Bases	P Ret	cmol(+)	/Clay	/Clay	Sat	E C	ESP
Layer	(cm)	Horz	Prep			(------------------------------------------ % --------------------------------------------)								kg -1			%	dS m-1	%
				4C1a2a		NK				NK								NK	5D2
40A28673	0-6	A/B	S	7.1		0.89				--	93	100			0.47			0.99	14
40A28674	6-22	Bt1	S			0.81				2	100*	100			0.54			6.73	9
40A28675	22-43	Bt2	S			0.40				2		100			0.46			9.05	8
40A28676	43-74	By1	S			0.52				4		100			0.49			8.16	9
40A28677	74-105	By2	S			0.57				1		100			0.49			7.78	8
40A28678	105-134	By3	S			0.53				1		100			0.51			7.26	7
40A28679	134-168	By4	S			0.48				1	100*	100			0.53			5.53	14

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

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Taxonomy Tier 2

-1-

-2-

-3-

-4-

-5-

-6-

-7-

-8-

-9-

-10-

-11-

-12-

-13-

-14-

-15-

-16-

pH

pH

Org

Tot

Al+½ Fe

CO3 as

(--- Base Sat ---)

NZ

ECEC

CEC7

ECEC

Al

Depth

H2O

NaF

C

C

Oxal

ODOE

CaCO3

NH4

Bases

P Ret

cmol(+)

/Clay

/Clay

Sat

E C

ESP

Layer

(cm)

Horz

Prep

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

kg -1

%

dS m-1

%

8C1a

40A28673

0-6

A/B

S

10.0

40A28674

6-22

Bt1

S

8.0

40A28675

22-43

Bt2

S

8.1

40A28676

43-74

By1

S

8.1

40A28677

74-105

By2

S

7.9

40A28678

105-134

By3

S

7.6

40A28679

134-168

By4

S

8.0

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.51	(NA)
Clay, carbonate free, Weighted Average	48	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	10	% wt
Clay, total, Weighted Average	50	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 6-43 cm