*** Taxonomy Characterization Data ***

Pedon ID: 90MT071004

( Phillips, Montana )

Print Date: Jan 8 2026 10:39AM

Sampled as on May 1, 1990:	Absher ; Fine, montmorillonitic Borollic Natrargid
Revised to correlated:	Absher ; Fine-loamy, mixed Borollic Natrargids

				United States Department of Agriculture
SSL	-	Project	RP90MT180   PHILLIPS COUNTY	Natural Resources Conservation Service
	-	Site ID	S1990MT071004   Lat: 47° 49' 40.00" north  Long: 107° 54' 15.00" west  MLRA: 52	National Soil Survey Center
	-	Pedon No.	90P0701	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

90P04118

1-13

Bt

S

0.51

90P04118

1-13

Bt

N

28.3

90P04119

13-36

Bky

S

0.43

90P04119

13-36

Bky

N

28.5

0.3

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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

90P04118

1-13

Bt

N

8.2

0.97

tr

0.85

90P04119

13-36

Bky

N

8.5

0.73

3

1.96

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Pedon Calculations
Calculation Name	Result	Units of Measure
Clay, carbonate free, Weighted Average	28	% wt
Clay, total, Weighted Average	28	% wt
Weighted averages based on control section: 1-13 cm