*** Taxonomy Characterization Data ***

Pedon ID: 90CO085001

( Montrose, Colorado )

Print Date: Apr 25 2025 8:01AM

Sampled as on Dec 1, 1990:	Guero ; Fine, mixed Argic Pachic Cryoboroll
Revised to correlated:	Guero ; Fine, mixed Argic Pachic Cryoborolls

				United States Department of Agriculture
SSL	-	Project	RP90CO098   GRAND MESA	Natural Resources Conservation Service
	-	Site ID	S1990CO085001   Lat: 38° 30' 28.00" north  Long: 107° 29' 59.01" west  MLRA: 48A	National Soil Survey Center
	-	Pedon No.	90P0412	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

8D1

90P02256

43-76

Bt

S

51.5

0.53

--

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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

5C1

5C3

5A3b

8D1

5G1

5D2

90P02256

43-76

Bt

N

0.81

90P02256

43-76

Bt

S

5.2

0.64

87

78

41.6

0.92

tr

tr

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Pedon Calculations
Calculation Name	Result	Units of Measure
CEC Activity, CEC7/Clay, Weighted Average	0.92	(NA)
Clay, carbonate free, Weighted Average	52	% wt
Weighted Particles, 0.1-75mm, 75 mm Base	0	% wt
Clay, total, Weighted Average	51	% wt
Weighted averages based on control section: 43-76 cm