IDENTIFIERS

Current Taxon Name (Soil Name): Shawmut

OSD

Series Extent

User Site ID: S1957MT107002

User Pedon ID: S1957MT107002

Vegetation Plot ID: S1957MT107002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 40A5328

NCSS Pedon Lab Data NASIS Record ID - 42575

Print Date: 11/24/2024

LOCATION

Township: 8 N

Range: 16 E

Section: 30

PLSS Details: 990' North, 10' West of the East 1/4 corner

Location Description: in native grass pasture

State: Montana

County: MT107—Wheatland

PEDON

Describers Name: C. A. Mogen

Pedon Record Orgin: NASIS

Pedon #: 2

Sampled As Information:

Soil Name - Shawmut

Classificaton Date - 10/2/1957

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/2/1957 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
BOGR2 HECOC8 POA	Bouteloua gracilis Hesperostipa comata ssp. comata Poa	blue grama needle and thread bluegrass	— — —	— — —	— — —

Setting and Climate
Slope	Slope Length USLE	Upslope Length	Elev.	Corr. Elev	Aspect	MAP	REAP	FFD	MAAT	MSAT	MWAT	MAST	MSST	MWST	MFFP	PE Index	Climate Station ID	Climate Station Name	Climate Station Type
%	m				degrees	mm	mm		C						mm
1.5	—	—	1371.6	—	180	305	—	—	6.1	—	—	—	—	—	—	—	—	—	—

A—0 to 5 centimeters (0.0 to 2.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; loam; weak fine platy structure; soft, very friable, nonsticky, nonplastic; fragments; clear smooth boundary. Lab sample # 40A40090

B—5 to 13 centimeters (2.0 to 5.1 inches); very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3) crushed, dark grayish brown (10YR 4/2), dry; clay loam; moderate medium prismatic parts to weak medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; clay films on faces of peds; fragments; clear wavy boundary. Lab sample # 40A40091. continuous - phpvsfiid 452027; continuous - phpvsfiid 452027

Bk1—13 to 20 centimeters (5.1 to 7.9 inches); dark brown (10YR 3/3), brown (10YR 4/3), dry; clay loam; moderate medium prismatic, and weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; fragments; gradual smooth boundary. Lab sample # 40A40092

Bk2—20 to 41 centimeters (7.9 to 16.1 inches); light gray (2.5Y 7/2) and dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2) and pale yellow (2.5Y 8/2), dry; clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; fragments; gradual boundary. Lab sample # 40A40093

Bk3—41 to 71 centimeters (16.1 to 28.0 inches); pale yellow (2.5Y 7/3) and light olive brown (2.5Y 5/3), pale yellow (2.5Y 8/2) and light brownish gray (2.5Y 6/2), dry; clay loam; weak coarse prismatic, and weak coarse subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; fragments; abrupt irregular boundary. Lab sample # 40A40094

Bk4—71 to 99 centimeters (28.0 to 39.0 inches); very dark grayish brown (2.5Y 3/2) and light olive brown (2.5Y 5/4), light brownish gray (2.5Y 6/2) and pale yellow (2.5Y 8/2), dry; gravel, sand; massive, and single grain; loose; fragments; clear wavy boundary. Lab sample # 40A40095

C—99 to 152 centimeters (39.0 to 59.8 inches); olive brown (2.5Y 4/3), light brownish gray (2.5Y 6/2), dry; single grain; loose; fragments. Lab sample # 40A40096