IDENTIFIERS

Current Taxon Name (Soil Name): Athena

OSD

Series Extent

User Site ID: S1985WA075016

User Pedon ID: 85WA075016

Vegetation Plot ID: S1985WA075016

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 86P0078

NCSS Pedon Lab Data NASIS Record ID - 57883

Print Date: 11/23/2024

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: 46.9538879

Std. Longitude: -117.5541687

Datum: WGS84

Township: 17N

Range: 42E

Section: 19

PLSS Details: About 4 miles NW of Diamond, WA, 50 feet W and 2,380 feet S of NE corner

State: Washington

County: WA075—Whitman

MLRA: 9—Palouse and Nez Perce Prairies

PEDON

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

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

Current Taxon Kind: series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 16

Sampled As Information:

Soil Name - Athena

Taxonomic Class - Fine-silty, mixed, mesic Pachic 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 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

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 POSE	Agropyron spicatum Festuca idahoensis Poa secunda	— Idaho fescue Sandberg bluegrass	— — —	— — —	— — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon cambic horizon	0—81 81—137	—- —-

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	—	—	656	—	225	43	—	—	9	21	-2	11	22	-1	—	—	—	—	—

1Ap1—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) crushed, black (10YR 2/1) crushed, moist; silt loam; moderate coarse subangular blocky, and moderate medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine interstitial pores; fragments; neutral, pH 7.0, bromthymol blue; abrupt smooth boundary. Lab sample # 86P00460. many very fine roots throughout; few medium roots throughout

1Ap2—13 to 25 centimeters (5.1 to 9.8 inches); very dark grayish brown (10YR 3/2) crushed, black (10YR 2/1) crushed, moist; silt loam; moderate medium prismatic, and moderate coarse subangular blocky, and moderate coarse platy structure; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine interstitial and 0.5 medium tubular pores; fragments; neutral, pH 7.0, bromthymol blue; abrupt smooth boundary. Lab sample # 86P00461. Very few rodent burrows.; many very fine roots throughout; few medium roots throughout

1A—25 to 46 centimeters (9.8 to 18.1 inches); very dark grayish brown (10YR 3/2) crushed, black (10YR 2/1) crushed, moist; silt loam; moderate medium prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; fragments; neutral, pH 7.2, bromthymol blue; clear wavy boundary. Lab sample # 86P00462. common very fine roots throughout; few medium roots throughout

1AB—46 to 64 centimeters (18.1 to 25.2 inches); brown (10YR 4/3) crushed, very dark grayish brown (10YR 3/2) crushed, moist; silt loam; moderate medium prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; 55 percent distinct dark grayish brown (10YR 4/2) coats on vertical faces of peds; fragments; neutral, pH 7.2, bromthymol blue; clear wavy boundary. Lab sample # 86P00463. Very few rodent burrows filled with dark colored surface material.; many coats surface features on vertical faces of peds; common very fine roots throughout; few medium roots throughout; continuous - phpvsfiid 231175; continuous - phpvsfiid 231175

1BA—64 to 81 centimeters (25.2 to 31.9 inches); brown (10YR 5/3) crushed, dark brown (10YR 3/3) crushed, moist; silt loam; moderate medium prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 fine roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; 37 percent distinct dark grayish brown (10YR 4/2) coats on vertical faces of peds; fragments; neutral, pH 7.2, bromthymol blue; clear wavy boundary. Lab sample # 86P00464. common coats surface features on vertical faces of peds; common very fine roots throughout; few fine roots throughout; continuous - phpvsfiid 231176; continuous - phpvsfiid 231176

1Bw1—81 to 99 centimeters (31.9 to 39.0 inches); brown (10YR 5/3) crushed, dark brown (10YR 3/3) crushed, moist; silt loam; moderate medium prismatic, and moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; 15 percent distinct brown (10YR 4/3) coats on vertical faces of peds; fragments; neutral, pH 7.2, bromthymol blue; clear wavy boundary. Lab sample # 86P00465. few coats surface features on vertical faces of peds; common very fine roots throughout; few medium roots throughout; continuous - phpvsfiid 231177; continuous - phpvsfiid 231177

1Bw2—99 to 119 centimeters (39.0 to 46.9 inches); pale brown (10YR 6/3) crushed, brown (10YR 4/3) crushed, moist; silt loam; moderate medium prismatic, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; fragments; neutral, pH 7.2, bromthymol blue; clear wavy boundary. Lab sample # 86P00466. Very few rodent burrows filled with dark soil colored surface material.; common very fine roots throughout; few medium roots throughout

1Bw3—119 to 137 centimeters (46.9 to 53.9 inches); pale brown (10YR 6/3) crushed, brown (10YR 4/3) crushed, moist; silt loam; moderate medium prismatic, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; fragments; neutral, pH 7.2, bromthymol blue; abrupt wavy boundary. Lab sample # 86P00467. common very fine roots throughout; few medium roots throughout

1Bk1—137 to 155 centimeters (53.9 to 61.0 inches); light gray (10YR 7/2) crushed, light brownish gray (10YR 6/2) crushed, moist; silt loam; massive; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 86P00468. Continuous .16 to 1.91 cm vertical lime seams which extend to 221 cm, disseminated lime in matrix, few very coarse cicada casts, common continuous prominent white (10YR 8/1) lime coats in seams and pores.; few very fine roots throughout; few medium roots throughout; effervescence is continuous

1Bk2—155 to 180 centimeters (61.0 to 70.9 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; massive; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 0.5 medium roots throughout; 5.5 very fine tubular and 0.5 medium tubular pores; 2 percent distinct black (10YR 2/1) black stains on faces of peds; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 86P00469. Common very coarse cicada casts, concretions occur at bottom of some vertical lime seams, many continuous prominent white (10YR 8/1) lime coats in seams, in pores and on walls of cicada casts.; very few black stains surface features on faces of peds; few very fine roots throughout; few medium roots throughout; effervescence is continuous; patchy - phpvsfiid 231178; patchy - phpvsfiid 231178

1Bk3—180 to 221 centimeters (70.9 to 87.0 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; massive; hard, friable, slightly sticky, slightly plastic; 2.5 very fine tubular pores; 15 percent distinct black (10YR 2/1) black stains on faces of peds; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.3, thymol-blue; clear wavy boundary. Lab sample # 86P00470. Many very coarse intersecting cicada casts, common continuous prominent white (10YR 8/1) lime coats in seams, in pores and on walls of cicada casts.; few black stains surface features on faces of peds; effervescence is discontinuous; patchy - phpvsfiid 219715; patchy - phpvsfiid 219715

1Bk4—221 to 249 centimeters (87.0 to 98.0 inches); pale brown (10YR 6/3) crushed, brown (10YR 5/3) crushed, moist; silt loam; massive; hard, friable, slightly sticky, slightly plastic; 5.5 very fine tubular pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.3, thymol-blue; abrupt smooth boundary. Lab sample # 86P00471. Common very coarse cicada casts, continuous prominent white (10YR 8/1) lime coats in seams, in pores and on walls of cicada casts.; effervescence is discontinuous

1Bkg—249 to 269 centimeters (98.0 to 105.9 inches); 70 percent light gray (10YR 7/1) interior and 30 percent pale brown (10YR 6/3) interior, 70 percent light brownish gray (10YR 6/2) interior and 30 percent brown (10YR 5/3) interior, moist; silt loam; massive; extremely hard, extremely firm*, slightly sticky, slightly plastic; 0.5 very fine tubular pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.4, thymol-blue. Lab sample # 86P00472. Continuous (10YR 8/1) strongly cemented lenses .16 to 1.27 cm thick which imparts to a pinkish cast.; effervescence is discontinuous