*** Taxonomy Characterization Data ***

Pedon ID: 90MT043003

( Jefferson, Montana )

Print Date: Nov 11 2024 7:34PM

Sampled as on Mar 30, 1990:	Benz ; Fine-loamy, mixed (calcareous) Ustic Torriorthents
Revised to :

				United States Department of Agriculture
SSL	-	Project	RP91MT171   JEFFERSON	Natural Resources Conservation Service
	-	Site ID	S1990MT043003   Lat: 45° 51' 29.64" north  Long: 112° 7' 24.15" west	National Soil Survey Center
	-	Pedon No.	91P0700	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	8D1
91P03992	0-3	E	S	30.2			0.65		27			2
91P03993	3-18	Bk1	S	33.8			0.62		24			2
91P03994	18-53	Bk2	S	34.9		0.3	0.77		14
91P03995	53-102	2C	S	38.6		0.6	0.75		8
91P03996	102-152	3C	S	33.1		0.6	0.77		7

---

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
91P03992	0-3	E	S	9.9		0.95				2	100*	100			0.96			22.30	100*
91P03993	3-18	Bk1	S	9.7		1.06					100*	100			0.90			21.80	4
91P03994	18-53	Bk2	S	9.4		0.38					100*	100			1.12			11.60	3
91P03995	53-102	2C	S	9.3		0.38					100*	100			1.04			5.98	30
91P03996	102-152	3C	S	9.1		0.19				7	100*	100			1.25			1.13	37

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.
^*ESP set to 100, Na exceeds measured exchange capacity.

---

Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	1.08	(NA)
Clay, carbonate free, Weighted Average	37	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	10	% wt
Volume, >2mm, Weighted Average	0	% vol
Clay, total, Weighted Average	37	% wt
Weighted averages based on control section: 25-100 cm