*** Taxonomy Characterization Data ***

Pedon ID: 80MT015001

( Chouteau, Montana )

Print Date: Nov 21 2024 2:05PM

Sampled as on Jul 30, 1980:	Bearpaw ; Fine, montmorillonitic Typic Argiboroll
Revised to correlated:	Linwell ; Fine, smectitic Cumulic Haploborolls

				United States Department of Agriculture
SSL	-	Project	CP80NL274   CROP EVALUATION RESEARCH SEA-ARS	Natural Resources Conservation Service
	-	Site ID	S1980MT015001   Lat: 47° 40' 35.00" north  Long: 110° 42' 16.00" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	80P0421	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

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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	8D1			4A1d
80P02273	0-15	Ap	S	40.7			0.32		10			1
80P02274	15-51	Bt1	S	38.2			0.37		10	1.42	0.055	tr
80P02275	51-76	Bt2	S	32.0		1.4	0.37		5	1.39	0.035	tr
80P02276	76-119	Bk11	S	34.8			0.39		3	1.49	0.022	tr
80P02277	119-163	Bk12	S	34.4			0.41		4	1.54	0.043	1
80P02278	163-239	Bk2	S	50.0			0.34		3	1.44	0.053	tr
80P02279	239-305	Bk3	S	33.0			0.38		15	1.38	0.052	1
80P02280	305-335	C1	S	24.6			0.52		8	1.48	0.041	1
80P02281	335-366	C2	S	27.5			0.45		16			1
80P02282	366-396	C3	S	33.8			0.38		19	1.52	0.050	tr
80P02283	396-427	C4	S	30.4			0.45		22			2
80P02284	427-457	C5	S	30.5			0.39		23			--

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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		6A1c				6E1b	5C1	5C3			8D1			8A1a	5D2
80P02273	0-15	Ap	S	7.7		1.42				--	94	75			0.54				1
80P02274	15-51	Bt1	S	7.3		0.77				tr	100*	90			0.58			0.60	tr
80P02275	51-76	Bt2	S	8.0		0.75				4	100*	100			0.55			0.56	1
80P02276	76-119	Bk11	S	8.4		0.58				2	100*	100			0.63			0.50	2
80P02277	119-163	Bk12	S	8.7		0.40				2	100*	100			0.69			0.64	7
80P02278	163-239	Bk2	S	8.4		0.35				8	100*	100			0.51			0.75	8
80P02279	239-305	Bk3	S	8.2		0.27				7	100*	100			0.58			2.88	7
80P02280	305-335	C1	S	8.3		0.30				7	100*	100			0.65			2.52	11
80P02281	335-366	C2	S	8.1		0.34				6	100*	100			0.59			3.42	9
80P02282	366-396	C3	S	8.1		0.26				5	100*	100			0.54			2.90	11
80P02283	396-427	C4	S	8.0		0.30				5	100*	100			0.57			3.71	9
80P02284	427-457	C5	S	7.9		0.27				5	100*	100			0.54			4.44	8

^*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	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	9	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	36	% wt
Weighted averages based on control section: 15-65 cm