*** Taxonomy Characterization Data ***

Pedon ID: 90MT071008

( Phillips, Montana )

Print Date: Jan 31 2025 9:55AM

Sampled as on Sep 1, 1990:	Absher ; Fine, montmorillonitic Borollic Natrargid
Revised to correlated:	Absher ; Fine, mixed, superactive, frigid Borollic Natrargids

				United States Department of Agriculture
SSL	-	Project	CP90MT255   PHILLIPS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990MT071008   Lat: 47° 49' 40.00" north  Long: 107° 54' 15.00" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	90P1090	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
90P06724	1-18	Bt	S	41.6	29.4		0.41		17	1.39	0.061
90P06725	18-36	Btk	S	38.9	20.2	2.2	0.37		15	1.28	0.085
90P06726	36-51	Bkyz	S	35.6	18.4	2.2	0.38		19	1.47	0.047
90P06727	51-107	Byz1	S	31.5	14.9	2.5	0.39		23	1.56	0.046
90P06728	107-130	Byz2	S	29.5		0.3	0.40		78	1.51	0.017
90P06729	130-178	By	S	31.8		1.0	0.36		78	1.52	0.016
90P06730	178-203	C	S	30.6			0.42		80	1.50	0.020

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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
90P06724	1-18	Bt	S	7.7		0.84				tr	100*	95			0.64			0.65	10
90P06725	18-36	Btk	S	8.0		0.60				6	100*	100			0.56			4.55	10
90P06726	36-51	Bkyz	S	7.9		0.51				9	100*	100			0.52			5.04	11
90P06727	51-107	Byz1	S	8.1		0.51				7	100*	100			0.55			4.43	14
90P06728	107-130	Byz2	S	7.8		0.42				5	100*	100			0.60			5.69	21
90P06729	130-178	By	S	7.7		0.44				3	100*	100			0.54			5.81	16
90P06730	178-203	C	S	7.7		0.46				3	100*	100			0.61			5.77	17

^*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	0.62	(NA)
Clay, carbonate free, Weighted Average	39	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	16	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	40	% wt
LE, Whole Soil, Summed to 1m	0	cm/m
Weighted averages based on control section: 1-36 cm