*** Taxonomy Characterization Data ***

Pedon ID: 90MT071009

( Phillips, Montana )

Print Date: Nov 21 2024 2:45PM

Sampled as on Sep 1, 1990:	Phillips ; 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	S1990MT071009   Lat: 47° 52' 3.00" north  Long: 107° 53' 58.99" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	90P1091	Soil Survey Laboratory
	-	General Methods 1B1A, 2A1, 2B		Lincoln, Nebraska 68508-3866

---

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			7B1a2
90P06731	0-5	A	S	16.9	6.8		0.51		37				97
90P06732	5-13	E	S	20.0	11.9		0.37		36				86
90P06733	13-28	Bt1	S	43.3	26.0		0.39		20	1.34	0.076
90P06734	28-38	Bt2	S	41.5	19.7	1.9	0.36		21	1.34	0.068
90P06735	38-63	Bk	S	37.3	16.2	6.2	0.35		28	1.51	0.052
90P06736	63-91	Bky	S	34.0	16.4	1.9	0.39		21	1.53	0.063
90P06737	91-142	By1	S	33.0			0.32		72	1.47	0.044
90P06738	142-190	By21	S	30.6			0.35		27	1.60	0.047

---

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
90P06731	0-5	A	S	6.4		3.31					96	73			0.95			1.70	1
90P06732	5-13	E	S	6.0		1.00					88	76			0.63				1
90P06733	13-28	Bt1	S	7.5		0.79				1	100*	91			0.66			0.63	2
90P06734	28-38	Bt2	S	8.2		0.90				7	100*	100			0.60			0.52	3
90P06735	38-63	Bk	S	8.6		0.59				11	100*	100			0.54			0.68	11
90P06736	63-91	Bky	S	8.4		0.44				7	100*	100			0.59			3.14	20
90P06737	91-142	By1	S	7.8		0.31				4	100*	100			0.54			6.43	20
90P06738	142-190	By21	S	7.8		0.30				3	100*	100			0.52			6.78	20
90P06739	190-203	By22	S	7.8						4								6.26

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.65	(NA)
Clay, carbonate free, Weighted Average	42	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	20	% wt
Volume, >2mm, Weighted Average	1	% vol
Clay, total, Weighted Average	43	% wt
Weighted averages based on control section: 13-38 cm