*** Taxonomy Characterization Data ***

Pedon ID: S1969MT027004

( Fergus, Montana )

Print Date: Jun 5 2024 4:01PM

Sampled as on Aug 12, 1969:	Komad
Revised to correlated:	Acel ; Fine, smectitic, frigid Mollic Eutroboralfs

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1969MT027004   Lat: 47° 19' 47.69" north  Long: 110° 4' 59.98" west  MLRA: 58A	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3680	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
40A28370	0-15	Ap1	S	21.2	8.1		0.37		7			--
40A28371	15-24	Ap2	S	23.0	9.5		0.35		5	1.51	0.013	--
40A28372	24-32	Bt1	S	33.7	19.1		0.37		3	1.47	0.039	--
40A28373	32-44	Bt2	S	41.0	24.6		0.37		4	1.50	0.051	--
40A28374	44-56	By1	S	46.6	27.3		0.35		6			--
40A28375	56-85	By2	S	44.0	21.8	--	0.36		9	1.57	0.052	--
40A28376	85-107	C	S	36.6		6.0	0.40		38			15
40A28377	107-143	2C1	S	25.9		7.0	0.37		75			41
40A28378	143-168	2C2	S	26.5		5.0	0.35		49			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	%
				NK		NK				NK								NK	5D2
40A28370	0-15	Ap1	S	5.0		2.02					81	62			0.65				6
40A28371	15-24	Ap2	S	5.0		1.61				--	86	68			0.62				6
40A28372	24-32	Bt1	S	7.0		1.10				--	100*	100			0.60				11
40A28373	32-44	Bt2	S	8.0		1.02				--	100*	100			0.57			2.96	10
40A28374	44-56	By1	S	8.0		0.66				--	100*	100			0.50				20
40A28375	56-85	By2	S	8.0		0.33				1		100			0.48				32
40A28376	85-107	C	S	8.0		0.32				14	100*	100			0.43			10.90	18
40A28377	107-143	2C1	S	8.0		0.13				22	100*	100			0.37				54
40A28378	143-168	2C2	S	8.0		0.13				14	100*	100			0.46				48

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

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.58	(NA)
Clay, carbonate free, Weighted Average	38	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	4	% wt
Clay, total, Weighted Average	38	% wt
Weighted averages based on control section: 24-44 cm