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*** Taxonomy Characterization Data ***

Pedon ID: S1970MT107004

( Wheatland, Montana )

Print Date: Jan 17 2026 4:52PM

Sampled as on Jul 21, 1970:	Rothiemay
Revised to correlated:	unnamed ; Fine-loamy, carbonatic Aridic Calciborolls

				United States Department of Agriculture
SSL	-	Project	NL40001 SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1970MT107004 Lat: 46° 38' 59.70" north Long: 109° 50' 2.92" west MLRA: 58A	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3708	Soil Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska

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

40A28564	0-15	Ap	S	31.8	10.5	--	0.48		21			2
40A28565	15-22	B1	S	36.4	10.8	13.0	0.47		33			11
40A28566	22-35	B2	S	34.2	9.3	12.0	0.43		38			13
40A28567	35-55	Bk1	S	37.9	7.2	22.0	0.36		30			6
40A28568	55-75	Bk2	S	33.8	7.4	19.0	0.37		42			10
40A28569	75-96	Bk3	S	33.3	7.2	18.0	0.39		46			13

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		6A1a				6E1b

40A28564	0-15	Ap	S	7.5		3.89				8
40A28565	15-22	B1	S	7.6		1.91				31
40A28566	22-35	B2	S	7.8		1.62				33
40A28567	35-55	Bk1	S	8.0		0.84				43
40A28568	55-75	Bk2	S	8.6		0.36				47
40A28569	75-96	Bk3	S	8.8		0.28				45

Pedon Calculations
Calculation Name	Result	Units of Measure

Volume, >2mm, Weighted Average	10	% vol

Weighted averages based on control section: 25-100 cm

NSSC SSL Report Creation