*** Taxonomy Characterization Data ***

Pedon ID: 77MT087019

( Rosebud, Montana )

Print Date: Dec 8 2025 4:33AM

Sampled as on Sep 1, 1984:	Vanstel ; Fine, montmorillonitic Borollic Haplargid
Revised to correlated on Sep 1, 1984:	Vanstel ; Fine-silty, mixed, superactive Borollic Haplargid

				United States Department of Agriculture
SSL	-	Project	RP78MT032   ROSEBUD COUNTY	Natural Resources Conservation Service
	-	Site ID	77MT087019   Lat: 46° 13' 0.00" north  Long: 106° 37' 0.00" west  MLRA: 58A	National Soil Survey Center
	-	Pedon No.	78P0091	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

78P00490

13-28

Bt1

S

31.3

21.3

0.45

3

--

78P00491

28-46

Bt2

S

21.5

11.6

0.47

3

--

78P00492

46-60

Btk

S

26.5

12.0

0.48

7

tr

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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

%

8C1a

6E1b

5C3

78P00490

13-28

Bt1

S

6.8

--

78P00491

28-46

Bt2

S

7.9

--

78P00492

46-60

Btk

S

9.0

7

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