*** Taxonomy Characterization Data ***

Pedon ID: 90MT071010

( Phillips, Montana )

Print Date: Feb 16 2025 6:41AM

Sampled as on Sep 1, 1990:	Thoeny ; Fine, montmorillonitic Borollic Natrargid
Revised to correlated:	Phillips ; Fine, smectitic, frigid Borollic Paleargids

				United States Department of Agriculture
SSL	-	Project	CP90MT255   PHILLIPS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990MT071010   Lat: 47° 52' 3.00" north  Long: 107° 53' 58.99" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	90P1092	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
90P06740	0-5	A	S	16.8	10.0		0.61		36
90P06741	5-18	E	S	15.7	9.7		0.38		45	1.57	0.016
90P06742	18-38	Bt	S	36.4	23.4		0.37		26	1.43	0.077
90P06743	38-56	Bk1	S	29.8	14.7	2.2	0.38		27	1.56	0.038
90P06744	56-81	Bk2	S	30.5		1.2	0.35		29	1.72	0.026
90P06745	81-130	Bky	S	28.7		0.6	0.33		32	1.55	0.033
90P06746	130-155	C1	S	17.8			0.35		66	1.64	0.011
90P06747	155-190	C21	S	14.8			0.34		30	1.56	0.006

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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				6E1g	5C1	5C3			8D1			8A3a	5D2
90P06740	0-5	A	S	7.4		4.50					100*	77			1.03			0.72	1
90P06741	5-18	E	S	6.2		0.80					94	73			0.60				4
90P06742	18-38	Bt	S	7.8		0.62				1	100*	94			0.65			0.71	3
90P06743	38-56	Bk1	S	8.2		0.59				7	100*	100			0.58			0.63	3
90P06744	56-81	Bk2	S	8.4		0.41				9	100*	100			0.51			0.42	3
90P06745	81-130	Bky	S	7.7		0.34				5	100*	100			0.57			2.83	2
90P06746	130-155	C1	S	7.8		0.19				5	100*	100			0.72			2.52	1
90P06747	155-190	C21	S	8.2		0.34				6	100*	100			0.72			0.83	5

^*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	36	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	26	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	36	% wt
Weighted averages based on control section: 18-38 cm