*** Taxonomy Characterization Data ***

Pedon ID: S1969MT027003

( Fergus, Montana )

Print Date: Nov 24 2024 11:08PM

Sampled as on Aug 12, 1969:	Ekah
Revised to correlated:	Ekah ; Fine, smectitic, frigid Abruptic Argiborolls

				United States Department of Agriculture
SSL	-	Project	NL40001   SSIR SAMPLES	Soil Conservation Service
	-	Site ID	S1969MT027003   Lat: 47° 17' 17.70" north  Long: 109° 56' 31.95" west  MLRA: 58A	Lincoln Soil Survey Laboratory
	-	Pedon No.	40A3677	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
40A28349	0-11	Ap1	S	22.3	13.3				31			2
40A28350	11-18	Ap2	S	24.3	11.4		0.38		30			3
40A28351	18-27	Bt1	S	37.6	28.3		0.37		22	1.47	0.048	2
40A28352	27-39	Bt2	S	38.4	23.5		0.36		21	1.43	0.052	2
40A28353	39-51	Bk1	S	38.3	11.6	8.0	0.32		25	1.50	0.032	2
40A28354	51-77	Bk2	S	41.7	9.8	17.0	0.31		22	1.56	0.025	--
40A28355	77-108	Bk3	S	41.8		18.0	0.28		24			2
40A28356	108-143	2C1	S	18.2		5.0	0.37		78			37
40A28357	143-193	2C2	S	10.2		--	0.48		89			55

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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									5D2
40A28349	0-11	Ap1	S	6.0		1.73					84	71			0.78				1
40A28350	11-18	Ap2	S	6.0		1.62					85	71			0.73				1
40A28351	18-27	Bt1	S	6.0		1.02					96	81			0.69				tr
40A28352	27-39	Bt2	S	6.0		0.90				--	89	100			0.73				tr
40A28353	39-51	Bk1	S	7.0		0.98				14	100*	100			0.59				tr
40A28354	51-77	Bk2	S	8.0		0.74				25	100*	100			0.44				1
40A28355	77-108	Bk3	S	8.0		0.29				28	100*	100			0.38				3
40A28356	108-143	2C1	S	8.0		0.13				34	100*	100			0.52				2
40A28357	143-193	2C2	S	8.0		0.12				16	100*	100			0.75				3

^*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	0.72	(NA)
Clay, carbonate free, Weighted Average	38	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	21	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	38	% wt
Weighted averages based on control section: 18-39 cm