IDENTIFIERS

Current Taxon Name (Soil Name): Stewah

OSD

Series Extent

User Site ID: S2002ID057007

User Pedon ID: S2002ID057007

Vegetation Plot ID: S2002ID057007

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 02N1049

NCSS Pedon Lab Data NASIS Record ID - 15620

Print Date: 11/22/2024

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: 47.0147781

Std. Longitude: -116.8298874

Datum: WGS84

Township: 42N

Range: 4W

Section: 2

PLSS Details: 1200 feet south and 1350 feet west of NE corner

Map Unit: Hy2—Honeyjones-Chesley, dry complex, 35 to 65 percent slopes

State: Idaho

County: ID057—Latah

MLRA: 43A—Northern Rocky Mountains

Non-MLRA Soil Survey Area: ID057—Latah County, Idaho

7.5 Minute USGS Quad: 47116-A7—Sanders, Idaho

PEDON

Current Taxonomic Class: Coarse-silty, mixed, active, frigid Ultic Hapludalfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Pedon #: 7

Correlated Information:

Soil Name - Stewah

PSC - 53 to 91 cm.

Classificaton Date - 3/25/2013

Classifier - Brian Gardner

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Stewah

Taxonomic Class - Fine-silty, isotic, frigid Vitrandic Hapludalfs

Classificaton Date - 7/31/2002

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: mixed volcanic ash and loess over residuum weathered from siltite

Landscape: mountain system

Landform: ridge

Geomorphic Component Hills: side slope

Geomorphic Component Mountains: mountainflank, upper third

Hill Slope Profile: backslope

Slope Shape Across: concave

Slope Shape Down: convex

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

Other Vegetative Class: CN520 - grand fir/queencup beadlily—Forest Habitat Types of Northern Idaho (GTR-INT-236)

SITE OBSERVATION

Observation Date: 7/31/2002 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - conifers

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
ABGR ACGL BRVU CLUN2 COOC DIHO GATR3 HODI LAOC MARE11 PSMEG RUPA SOSI2 SYAL	Abies grandis Acer glabrum Bromus vulgaris Clintonia uniflora Coptis occidentalis Digitaria horizontalis Galium triflorum Holodiscus discolor Larix occidentalis Mahonia repens Pseudotsuga menziesii var. glauca Rubus parviflorus Sorbus sitchensis Symphoricarpos albus	grand fir Rocky Mountain maple Columbia brome bride's bonnet Idaho goldthread Jamaican crabgrass fragrant bedstraw oceanspray western larch creeping barberry Rocky Mountain Douglas-fir thimbleberry western mountain ash common snowberry	— — — — — — — — — — — — — —	— — — — — — — — — — — — — —	— — — — — — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	—	145 -	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon volcanic glass cambic horizon argillic horizon paralithic contact	0—15 3—15 15—53 53—91 145—	—- —- —- —- —-

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
52	—	—	1097	—	265	965	—	—	—	—	—	—	—	—	—	—	—	—	—

Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Lab sample # 02N05390

A1—3 to 9 centimeters (1.2 to 3.5 inches); very dark brown (10YR 2/2) interior, grayish brown (10YR 5/2) interior, dry; ashy silt loam; 8 percent clay; moderate very fine and fine granular structure; moderately hard, friable, nonsticky, moderately plastic; 6.0 very fine and fine roots throughout and 2.0 medium roots throughout; 6.0 very fine and fine dendritic tubular pores; fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 02N05391

A2—9 to 15 centimeters (3.5 to 5.9 inches); ashy silt loam; moderate very fine and fine subangular blocky parts to moderate very fine granular structure; moderately hard, friable, nonsticky, moderately plastic; 6.0 very fine and fine roots between peds and 2.0 medium roots throughout; 6.0 very fine and fine dendritic tubular pores; fragments; moderately acid, pH 6.0; abrupt wavy boundary. Lab sample # 02N05392

E—15 to 28 centimeters (5.9 to 11.0 inches); dark yellowish brown (10YR 4/4) interior, pale brown (10YR 6/3) interior, dry; silt loam; 14 percent clay; moderate fine and medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots between peds and 1.0 medium and coarse roots throughout; 2.0 very fine and fine irregular and 6.0 very fine and fine dendritic tubular and 2.0 medium dendritic tubular pores; 10 percent faint skeletans; fragments; moderately acid, pH 6.0; clear wavy boundary. Lab sample # 02N05393

Bt1—28 to 53 centimeters (11.0 to 20.9 inches); reddish brown (2.5YR 4/4) interior and dark yellowish brown (10YR 4/4) exterior, 75 percent pale brown (10YR 6/3) interior and 25 percent pale brown (10YR 6/3) exterior, dry; silt loam; 16 percent clay; weak fine and medium prismatic parts to moderate fine and medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots throughout and 1.0 medium roots throughout; 8.0 very fine dendritic tubular and 1.0 fine irregular pores; 5 percent faint clay films and 5 percent faint skeletans and 10 percent faint clay films; fragments; moderately acid, pH 5.8; abrupt wavy boundary. Lab sample # 02N05394

Bt2—53 to 76 centimeters (20.9 to 29.9 inches); dark yellowish brown (10YR 4/4) interior, pale brown (10YR 6/3) interior, dry; silt loam; 18 percent clay; weak fine and medium prismatic parts to moderate fine and medium subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots between peds and 5.0 medium roots throughout; 6.0 very fine and fine dendritic tubular and 1.0 fine dendritic tubular pores; 10 percent distinct clay films and 15 percent distinct clay films; fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 02N05395

Bt3—76 to 91 centimeters (29.9 to 35.8 inches); red (2.5YR 4/6) interior, light yellowish brown (10YR 6/4) interior, dry; silt loam; 25 percent clay; moderate fine and medium subangular blocky structure; hard, friable, moderately sticky, very plastic; 3.0 very fine and fine roots between peds; 8.0 very fine dendritic tubular pores; 20 percent distinct clay films on rock fragments; fragments; strongly acid, pH 5.1; clear wavy boundary. Lab sample # 02N05396

2C1—91 to 116 centimeters (35.8 to 45.7 inches); yellowish brown (10YR 5/6) crushed, very pale brown (10YR 7/3) crushed, dry; extremely gravelly silt loam; 9 percent clay; weak very fine and fine subangular blocky structure; hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots throughout and 1.0 medium roots throughout; 8.0 very fine dendritic tubular pores; fragments; very strongly acid, pH 5.0; clear wavy boundary. Lab sample # 02N05397

2C2—116 to 145 centimeters (45.7 to 57.1 inches); yellowish brown (10YR 5/6) crushed, very pale brown (10YR 7/3) crushed, dry; extremely gravelly silt loam; 9 percent clay; massive; hard, friable, slightly sticky, moderately plastic; 3.0 very fine and fine roots around fragments and 3.0 medium roots around fragments; 4.0 very fine dendritic tubular pores; fragments; very strongly acid, pH 4.8; abrupt wavy boundary. Lab sample # 02N05398

2Cr—145 to 160 centimeters (57.1 to 63.0 inches); bedrock; fragments. Lab sample # 02N05399