*** Taxonomy Characterization Data ***

Pedon ID: 91TX043001

( Brewster, Texas )

Print Date: Nov 23 2024 10:15PM

Sampled as on Apr 29, 1991:	Ector ; Loamy-skeletal, carbonatic, thermic Lithic Calciustolls
Revised to correlated on Jul 29, 2008:	Ector ; Loamy-skeletal, carbonatic, thermic Lithic Calciustolls

				United States Department of Agriculture
SSL	-	Project	RP91TX117   BREWSTER COUNTY	Natural Resources Conservation Service
	-	Site ID	S1991TX043001   Lat: 30° 6' 48.00" north  Long: 102° 40' 8.01" west  MLRA: 81A	National Soil Survey Center
	-	Pedon No.	91P0459	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
91P02627	0-8	A	S	32.6		2.9	0.47		74			55
91P02628	8-25	Ak	S	38.0		8.2	0.50		64			67
91P02629	25-43	Rk/Ak	S	39.2		10.3	0.49		86			86

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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

91P02627

0-8

A

S

7.8

4.44

41

91P02628

8-25

Ak

S

7.9

5.11

35

91P02629

25-43

Rk/Ak

S

7.8

4.69

42

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Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	29	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	86	% wt
Volume, >2mm, Weighted Average	85	% vol
Clay, total, Weighted Average	39	% wt
Weighted averages based on control section: 25-43 cm