*** Taxonomy Characterization Data ***

Pedon ID: 92MT043002

( Jefferson, Montana )

Print Date: Dec 11 2024 3:28PM

Sampled as on May 17, 1992:	Coni ; Fine-loamy Lithic Argiborolls
Revised to :

				United States Department of Agriculture
SSL	-	Project	RP92MT191   WHITEHALL-BUTTE SOIL STUDY	Natural Resources Conservation Service
	-	Site ID	S1992MT043002   Lat: 45° 56' 9.00" north  Long: 112° 16' 45.00" west	National Soil Survey Center
	-	Pedon No.	92P0695	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			8D1						7B1a2
92P04238	0-8	A	S	8.3			0.40		72			8
92P04239	8-20	Bt	S	18.6			0.37		72			27
92P04240	20-28	Cr1	S	6.2			0.47		89			37	27
92P04241	28-36	Cr2	S	2.7			0.89		92			36

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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			8J		5C1	5C3	6S4		8D1				5D2
92P04238	0-8	A	S	5.7		0.87		0.11	0.05		73	51	20		0.76				2
92P04239	8-20	Bt	S	6.4		0.49		0.12	0.06		100*	88	10		0.75				1
92P04240	20-28	Cr1	S	6.6		0.28		0.10	0.03		100*	90	10		1.35				1
92P04241	28-36	Cr2	S	6.7		0.08					100*	96	20		2.15				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	0.75	(NA)
Clay, carbonate free, Weighted Average	19	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	72	% wt
Volume, >2mm, Weighted Average	27	% vol
Clay, total, Weighted Average	19	% wt
Weighted averages based on control section: 8-20 cm