*** Taxonomy Characterization Data ***

Pedon ID: 90MT071007

( Phillips, Montana )

Print Date: Nov 21 2024 1:18PM

Sampled as on Sep 1, 1990:	Elloam ; Fine, montmorillonitic Borollic Natrargid
Revised to correlated:	Elloam ; Fine, smectitic, frigid Borollic Natrargids

				United States Department of Agriculture
SSL	-	Project	CP90MT255   PHILLIPS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990MT071007   Lat: 47° 49' 40.00" north  Long: 107° 54' 15.00" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	90P1089	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
90P06716	0-8	E	S	10.3	7.8		0.49		47
90P06717	8-23	Bt1	S	39.0	28.6		0.42		23
90P06718	23-36	Bt2	S	37.6	23.2	1.6	0.39		18	1.45	0.066
90P06719	36-43	Bk	S	36.4	19.4	3.5	0.37		18	1.32	0.070
90P06720	43-61	Bky	S	35.8	19.1	3.5	0.36		21	1.41	0.053
90P06721	61-94	Bkyz	S	28.4		1.9	0.38		31	1.54	0.039
90P06722	94-153	Byz	S	32.8		1.0	0.36		77	1.53	0.022
90P06723	153-203	C	S	31.7			0.43		78	1.50	0.016

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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
90P06716	0-8	E	S	6.0		1.26					90	70			0.69				6
90P06717	8-23	Bt1	S	8.0		0.88				tr	100*	97			0.68			1.05	12
90P06718	23-36	Bt2	S	8.3		0.86				3	100*	100			0.66			1.84	14
90P06719	36-43	Bk	S	7.9		0.60				8	100*	100			0.55			5.17	12
90P06720	43-61	Bky	S	7.8		0.50				8	100*	100			0.51			5.45	12
90P06721	61-94	Bkyz	S	8.3		0.41				6	100*	100			0.53			2.82	16
90P06722	94-153	Byz	S	7.6		0.40				4	100*	100			0.59			5.64	12
90P06723	153-203	C	S	7.5		0.40				3	100*	100			0.58			5.81	15

^*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	0.68	(NA)
Clay, carbonate free, Weighted Average	38	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	21	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	38	% wt
Weighted averages based on control section: 8-36 cm