*** Taxonomy Characterization Data ***

Pedon ID: 87MT085001

( Roosevelt, Montana )

Print Date: Feb 16 2025 5:17AM

Sampled as on Jun 1, 1987:	Zahl ; Fine-loamy, mixed Entic Haploboroll
Revised to correlated:	Zahl ; Fine-loamy, mixed, superactive Entic Haploborolls

				United States Department of Agriculture
SSL	-	Project	CP87MT179   WEPP MONTANA	Natural Resources Conservation Service
	-	Site ID	S1987MT085001     MLRA: 53A	National Soil Survey Center
	-	Pedon No.	87P0532	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	3A1a1a	8D1			4A1d
87P02827	0-8	Ap1	S	24.0	13.2		0.43		40			5
87P02828	8-18	Ap2	S	24.0	14.6		0.43		37	1.49	0.027	3
87P02829	18-31	Bk1	S	28.3	12.1	1.7	0.41		25	1.35	0.029	1
87P02830	31-53	Bk2	S	30.0	8.7	5.5	0.36		19	1.40	0.019	1
87P02831	53-80	Bk3	S	29.2	9.4	0.3	0.37		18	1.47	0.026	1
87P02832	80-105	Bk4	S	27.7	8.7	5.7	0.39		19	1.69	0.030	1
87P02833	105-150	C	S	26.5	10.2	0.6	0.44		17	1.70	0.030	2
87P02834	150-175	Cz	S	25.1	9.2	2.9	0.45		19	1.72	0.031	1

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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		6A1c	6A2d		8J	6E1g	5C1	5C3			8D1			8A3a	5D2
87P02827	0-8	Ap1	S	7.8		1.69	1.76		0.05	tr	100*	98			0.83			0.72	1
87P02828	8-18	Ap2	S	7.5		1.57	1.58	0.06	0.04	--	100*	94			0.81				1
87P02829	18-31	Bk1	S	8.0		1.14	1.73	0.07	0.04	3	100*	100			0.75				tr
87P02830	31-53	Bk2	S	8.4		0.81	3.19	0.05	0.04	17	100*	100			0.55				1
87P02831	53-80	Bk3	S	8.6		0.40	2.75		0.03	18	100*	100			0.53			0.54	1
87P02832	80-105	Bk4	S	8.8		0.22	2.15	0.05	0.03	14	100*	100			0.59			0.84	3
87P02833	105-150	C	S	8.6		0.17	1.95		0.03	10	100*	100			0.61			1.45	3
87P02834	150-175	Cz	S	8.1		0.18	2.09		0.03	12	100*	100			0.63			4.54	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	0.65	(NA)
Clay, carbonate free, Weighted Average	26	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	19	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	29	% wt
Weighted averages based on control section: 25-100 cm