LOCATION JENSENWELL              WY

Tentative Series
TIK-DPG-DEW
05/2024

JENSENWELL SERIES

Depth class: Moderately deep
Drainage class: Well drained
Saturated hydraulic conductivity: Moderately high
Parent material: eolian deposits or slope alluvium over residuum weathered from sandstone or interbedded sedimentary rock
Geomorphic location: Hillslopes or dune fields
Slope range: 2 to 8 percent
Mean annual temperature: 4.5 degrees C (40 degrees F)
Mean annual precipitation: 210 millimeters (8.0 inches)

Taxonomic Class:
Fine-loamy, mixed, superactive, frigid Ustic Haplargids

Typical Pedon:
Jensenwell fine sandy loam in rangeland. (Colors are for dry soil unless otherwise noted.)

A--0 to 8 centimeters; light yellowish brown (2.5Y 6/3) fine sandy loam, olive brown (2.5Y 4/3) moist; weak very coarse granular structure; loose, slightly sticky, slightly plastic; common very fine and many fine roots throughout; common very fine and many fine interstitial pores; 2 percent channers and 5 percent gravels; finely disseminated carbonates; very slightly effervescent; moderately alkaline (pH 8.0); clear smooth boundary.

Btk1--8 to 16 centimeters; dark yellowish brown (10YR 4/4) fine sandy loam, olive brown (2.5Y 4/3) moist; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; many very fine and fine roots throughout; common very fine and coarse and many fine interstitial pores; 3 percent gravels; 10 percent clay bridges between sand grains; finely disseminated carbonates; slightly effervescent; moderately alkaline (pH 8.2); clear smooth boundary.

Btk2--16 to 39 centimeters; light olive brown (2.5Y 5/4) sandy clay loam, olive brown (2.5Y 4/4) moist; moderate coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; common very fine and many fine roots throughout; common very fine and coarse and many fine interstitial pores; 10 percent gravels; 25 percent clay bridges between sand grains; finely disseminated carbonates; slightly effervescent; moderately alkaline (pH 8.4); clear smooth boundary.

Btk3--39 to 70 centimeters; light olive brown (2.5Y 5/4) sandy clay loam, olive brown (2.5Y 4/4) moist; moderate coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; common fine and few very fine roots throughout; few very fine, many fine, common coarse interstitial pores; 30 percent clay bridges between sand grains; 25 percent calcium carbonate masses on surfaces along root channels; strongly effervescent; strongly alkaline (pH 8.6); clear smooth boundary.

BCk--70 to 88 centimeters; light olive brown (2.5Y 5/3) fine sandy loam, olive brown (2.5Y 4/4) moist; weak very fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; common fine roots throughout; few fine and coarse interstitial pores; 15 percent calcium carbonate nodules in matrix; slightly effervescent; strongly alkaline (pH 9.0); clear smooth boundary.

R--88 centimeters; bedrock

Type Location:
Sweetwater County, WY
USGS Quadrangle: Clay Buttes SW, Wyoming
Latitude: 41.82999
Longitude: -109.49643
Datum: WGS84
Coordinates source: Hand-held GPS

Range in Characteristics:
Depth to argillic horizon--6 to 19 centimeters
Depth to identifiable secondary calcium carbonates-- 8 to 78 centimeters
Particle-size control section (weighted average):
Clay content--20 to 23 percent
Sand content--53 to 64 percent
Rock fragments--0 to 23 percent

A horizon:
Hue-7.5YR, 10YR or 2.5Y
Value--5 or 6 dry; 3 or 4 moist
Chroma--3 or 4 dry or moist
Texture (less than 2 mm fraction)--Fine sandy loam
Clay content--8 to 17 percent
Rock fragments--0 to 14 percent fragments--0 to 14 percent gravels, 0 to 3 percent channers
Calcium carbonate equivalent--0 to 3 percent
Reaction--pH 6.8 to 8.2
Thickness--6 to 8 centimeters

Bt/Btk horizons:
Hue--10YR or 2.5Y
Value--4 to 7 dry; 3 to 6 moist
Chroma--3 to 6 dry; 3 or 4 moist
Texture (less than 2 mm fraction)--Fine sandy loam, sandy loam, sandy clay loam, loam, or clay loam
Clay content--13 to 28 percent
Rock fragments--0 to 34 percent fragments--0 to 34 percent gravels, 0 to 10 percent channers
Calcium carbonate equivalent--0 to 15 percent
Reaction--pH 7.0 to 9.0
Thickness--35 to 62 centimeters

Bk/BCk/C horizon:
Hue--2.5Y
Value--5 to 7 dry; 4 or 5 moist
Chroma--3 or 4 dry or moist
Texture (less than 2 mm fraction)--Fine sandy loam, sandy loam, sandy clay loam, or loam
Clay content--14 to 25 percent
Rock fragments--10 to 50 percent gravels
Calcium carbonate equivalent--3 to 25 percent
Sodium absorption ratio--6 to 25
Reaction--pH 8.2 to 9.2
Thickness--22 to 32 centimeters

Competing Series:
Alcova (WY) - does not have lithic contact
Almy (WY) - does not have lithic contact
Bateson (WY) - does not have lithic contact
Bluerim (WY) - is moderately deep to paralithic contact
Diamondville (WY) - is moderately deep to paralithic contact
Forelle (WY) - does not have lithic contact
Juel (WY) - is deep to paralithic contact
Maysprings (WY) - does not have lithic contact
Satanka (WY) - is moderately deep to paralithic contact
Schrute (WY) - does not have lithic contact
Simanni (WY) - does not have lithic contact
Sweetlette (WY) - is deep to paralithic contact
Taffom (WY) - does not have lithic contact

Geographic Settings:
Parent material: eolian deposits or slope alluvium over residuum weathered from sandstone or interbedded sedimentary rock
Landform: hillslopes or dune fields
Slope ranges: 2 to 8 percent
Mean annual temperature range: 2.5 to 7.0 degrees C (36.5 to 44.6 degrees F)
Mean annual precipitation range: 180 to 230 millimeters (7.0 to 9.0 inches)
Frost-free period: 50 to 100 days
Elevation: 2,010 to 2,190 m (6,595 to 7,120 feet)
Climate--long, cold winters; cool, moist springs; short, warm summers

Geographically Associated Soils:
None listed.

Drainage and Saturated Hydraulic Conductivity:
Drainage class: Well drained
Saturated hydraulic conductivity: 5 to 15 um/sec

Use and Vegetation:
Jensenwell soils are primarily used for rangeland. The potential native vegetation is Wyoming big sagebrush, Indian ricegrass, thickspike wheatgrass, and needle and thread.

Distribution and Extent:
Jensenwell soils are of small extent in southwestern Wyoming; MLRA 34A.

Soil Survey Region (SSR) Responsible:
Bozeman, Montana

Series Proposed: Sweetwater County, WY 2021. Jensenwell series is derived from a local landmark.

Remarks:
Typical Pedon Taxonomic Features:
Ochric epipedon--0 to 8 centimeters (A horizon)
Argillic horizon--8 to 70 centimeters (Btk1, Btk2, and Btk3 horizons)
Lithic contact-88 centimeters
Particle-size control section--8 to 58 centimeters
Taxonomic Version: Keys to Soil Taxonomy, 13th edition (2022)

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National Cooperative Soil Survey
U.S.A.