*** Taxonomy Characterization Data ***

Pedon ID: 91CO075001C

( Logan, Colorado )

Print Date: Feb 16 2025 5:28AM

Sampled as on Sep 4, 1991:	Stoneham ; Fine-loamy, mixed Ustollic Haplargids
Revised to :

				United States Department of Agriculture
SSL	-	Project	CP92CO039   RANGE SOIL	Natural Resources Conservation Service
	-	Site ID	S1991CO075001C   Lat: 40° 51' 29.00" north  Long: 103° 29' 54.01" west  MLRA: 67B	National Soil Survey Center
	-	Pedon No.	92P0183	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	8D1
92P01228	0-5	A	S	18.5			0.59		43
92P01229	5-13	Bt1	S	22.4			0.50		51			3
92P01230	13-25	Bt2	S	22.0			0.46		47			1
92P01231	25-38	Btk	S	20.6		1.9	0.46		47			3

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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								8A3a
92P01228	0-5	A	S	7.2		2.95					100*	89			0.88			1.14	1
92P01229	5-13	Bt1	S	7.3		1.14					100*	93			0.78				tr
92P01230	13-25	Bt2	S	8.0		0.65				1	100*				0.68				1
92P01231	25-38	Btk	S	8.3		0.57				4	100*	100							2

^*Extractable Ca may contain Ca from calcium carbonate or gypsum.
¹ Analyzed size fraction = <2 mm

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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

%

8D1

92P01231

25-38

Btk

S

0.73

¹ Analyzed size fraction = <2 mm

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.34	(NA)
Clay, carbonate free, Weighted Average	21	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	48	% wt
Volume, >2mm, Weighted Average	2	% vol
Clay, total, Weighted Average	22	% wt
Weighted averages based on control section: 5-38 cm