IDENTIFIERS

Current Taxon Name (Soil Name): Palouse

OSD

Series Extent

User Site ID: S1985WA075008

User Pedon ID: 85WA075008

Vegetation Plot ID: S1985WA075008

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 86P0070

NCSS Pedon Lab Data NASIS Record ID - 57875

Print Date: 12/11/2024

LOCATION

Location In Web Soil Survey

AOI is roughly a square mile and pedon is marked in the center.

Location in SoilWeb

Location in Google Maps

Std. Latitude: 46.9894447

Std. Longitude: -117.4738922

Datum: WGS84

Township: 17N

Range: 42E

Section: 11

PLSS Details: 6 miles E of Steptoe, WA, 200 feet S and 1,000 feet W of NE corner

State: Washington

County: WA075—Whitman

MLRA: 9—Palouse and Nez Perce Prairies

PEDON

Describers Name: A. Gentry, R. Engel, A. Busacca, and B. Frazier

Current Taxonomic Class: Fine-silty, mixed, mesic Pachic Ultic Haploxerolls

Current Taxon Kind: series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 8

Sampled As Information:

Soil Name - Palouse

Taxonomic Class - Fine-silty, mixed, mesic Pachic Ultic Haploxerolls

PSC - 25 to 100 cm.

Classificaton Date - 9/1/1985

Moisture Class - xeric

Dynamic Soil Properties:

Erosion Class - 2

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: hills

Landform: hillside or mountainside

Hill Slope Profile: summit

Slope Shape Down: linear

Runoff: medium

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/1/1985 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
AGSP FEID	Agropyron spicatum Festuca idahoensis	— Idaho fescue	— —	— —	— —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon cambic horizon	0—71 71—196	—- —-

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
6	—	—	729	—	225	48	—	—	9	20	-2	10	21	-1	—	—	—	—	—

1Ap1—0 to 8 centimeters (0.0 to 3.1 inches); dark grayish brown (10YR 4/2) crushed, very dark brown (10YR 2/2) crushed, moist; silt loam; moderate medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots throughout; 5.5 very fine interstitial pores; fragments; slightly acid, pH 6.4, bromthymol blue; abrupt smooth boundary. Lab sample # 86P00377. many very fine roots throughout

1Ap2—8 to 20 centimeters (3.1 to 7.9 inches); 10YR 2/3 (10YR 2/3) crushed, very dark brown (10YR 2/2) crushed, moist; silt loam; moderate fine subangular blocky, and weak coarse platy structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 5.5 very fine interstitial pores; fragments; slightly acid, pH 6.4, bromthymol blue; abrupt wavy boundary. Lab sample # 86P00378. Few fine and very irregular bodies of Mt. St. Helen's ash.; common very fine roots throughout

1A—20 to 38 centimeters (7.9 to 15.0 inches); dark grayish brown (10YR 4/2) crushed, very dark brown (10YR 2/2) crushed, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; neutral, pH 6.8, bromthymol blue; gradual smooth boundary. Lab sample # 86P00379. common very fine roots throughout

1AB—38 to 56 centimeters (15.0 to 22.0 inches); dark grayish brown (10YR 4/2) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; neutral, pH 7.0, bromthymol blue; gradual smooth boundary. Lab sample # 86P00380. Few coarse vertical pores are lined and partially filled with dark colored surface material.; common very fine roots throughout

1BA—56 to 71 centimeters (22.0 to 28.0 inches); brown (10YR 5/3) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; neutral, pH 7.0, bromthymol blue; gradual smooth boundary. Lab sample # 86P00381. Common coarse vertical pores are lined and partially filled with dark colored surface material; many continuous prominent dark grayish (10YR 4/2) coats on vertical faces of coarse prisms.; common very fine roots throughout

1Bw1—71 to 119 centimeters (28.0 to 46.9 inches); yellowish brown (10YR 5/4) crushed, brown (10YR 4/3) crushed, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; neutral, pH 7.0, bromthymol blue; gradual smooth boundary. Lab sample # 86P00382. Common coarse vertical pores are lined, partially filled and some filled with dark colored surface material, many continuous prominent dark grayish brown (10YR 4/2) coats on vertical faces of coarse prisms.; common very fine roots throughout

1Bw2—119 to 142 centimeters (46.9 to 55.9 inches); yellowish brown (10YR 5/4) crushed, brown (10YR 4/3) crushed, moist; silt loam; moderate coarse prismatic, and moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; slightly alkaline, pH 7.6, bromthymol blue; gradual wavy boundary. Lab sample # 86P00383. Few coarse vertical pores are lined with dark colored surface material, few patchy prominent dark grayish brown (10YR 4/2) coats on vertical faces of coarse prisms.; few very fine roots throughout

1Bw3—142 to 168 centimeters (55.9 to 66.1 inches); yellowish brown (10YR 5/4) crushed, brown (10YR 4/3) crushed, moist; silt loam; weak coarse prismatic, and weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; neutral, pH 7.2, bromthymol blue; gradual smooth boundary. Lab sample # 86P00384. Few coarse vertical pores are lined with dark colored surface material.; few very fine roots throughout

1Bw4—168 to 196 centimeters (66.1 to 77.2 inches); yellowish brown (10YR 5/4) crushed, brown (10YR 4/3) crushed, moist; silt loam; weak coarse prismatic, and weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout; 5.5 very fine tubular pores; fragments; neutral, pH 7.2, bromthymol blue; abrupt wavy boundary. Lab sample # 86P00385. Few coarse vertical pores are lined with dark colored surface material.; few very fine roots throughout

1Bk1—196 to 226 centimeters (77.2 to 89.0 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout; 5.5 very fine tubular pores; 37 percent prominent white (10YR 8/1) carbonate coats in root channels and/or pores; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.3, thymol-blue; clear smooth boundary. Lab sample # 86P00386. Common coarse pores are filled with lime and occur only in upper 13 cm. Common very coarse hard to very hard cicada casts, disseminated lime in matrix.; common lime or carbonate coats surface features in root channels and/or pores; common very fine roots throughout; effervescence is continuous; continuous - phpvsfiid 219670; continuous - phpvsfiid 219670

1Bk2—226 to 264 centimeters (89.0 to 103.9 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; hard, friable, slightly sticky, slightly plastic; 5.5 very fine tubular pores; 37 percent prominent white (10YR 8/1) carbonate coats in root channels and/or pores; fragments; strong effervescence, by hcl, unspecified; moderately alkaline, pH 8.3, thymol-blue. Lab sample # 86P00387. Many very coarse hard to extremely hard intersecting cicada casts, disseminated lime in matrix.; common lime or carbonate coats surface features in root channels and/or pores; effervescence is continuous; continuous - phpvsfiid 219671; continuous - phpvsfiid 219671