IDENTIFIERS

Current Taxon Name (Soil Name): Bechtel

OSD

Series Extent

User Site ID: S2004ID009010

User Pedon ID: S2004ID009010

Vegetation Plot ID: S2004ID009010

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 05N0150

NCSS Pedon Lab Data NASIS Record ID - 16987

Print Date: 11/12/2024

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: 47.4154854

Std. Longitude: -116.6028595

Datum: WGS84

Township: 47N

Range: 2W

Section: 28

PLSS Details: about 560 feet south and 1200 geet east of the northwest corner

Location Description: SW of Grassy Mountain

Map Unit: 323—Bechtel-Reggear complex, 15 to 40 percent slopes

Country: US—United States

State: Idaho

County: ID009—Benewah

MLRA: 43A—Northern Rocky Mountains

Non-MLRA Soil Survey Area: ID620—Benewah County Area, Idaho, Western Part

7.5 Minute USGS Quad: 47116-D5—Medimont, Idaho

PEDON

Current Taxonomic Class: Coarse-loamy, mixed, active, frigid Typic Hapludalfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Pedon #: 10

Correlated Information:

Soil Name - Bechtel

PSC - 43 to 93 cm.

Classificaton Date - 3/20/2013

Classifier - Brian Gardner

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Bechtel

Taxonomic Class - Fine-loamy, mixed, superactive, frigid Vitrandic Hapludalfs

Classificaton Date - 6/23/2004

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: Mt. St. Helens volcanic ash and/or loess over metasedimentary colluvium and/or residuum

Landscape: mountain system

Landform: low mountain

Geomorphic Component Mountains: mountainbase

Hill Slope Profile: backslope

Slope Position: lower third

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: linear

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Bedrock: siltite

Geology: Upper Prichard Formation formation.

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: 6/23/2004 (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 AMAL2 ANPI ARNIC BEPA CAGE2 CARU DIHO3 FRAGA HODI OSCH PIPO PSMEG ROSA5 SALIX SMRA SMST SYAL THOC	Abies grandis Acer glabrum Amelanchier alnifolia Anemone piperi Arnica Betula papyrifera Carex geyeri Calamagrostis rubescens Disporum hookeri Fragaria Holodiscus discolor Osmorhiza chilensis Pinus ponderosa Pseudotsuga menziesii var. glauca Rosa Salix Smilacina racemosa Smilacina stellata Symphoricarpos albus Thalictrum occidentale	grand fir Rocky Mountain maple Saskatoon serviceberry Piper's anemone arnica paper birch Geyer's sedge pinegrass drops of gold strawberry oceanspray — ponderosa pine Rocky Mountain Douglas-fir rose willow — — common snowberry western meadow-rue	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	moderately coherent	122 -	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon cambic horizon argillic horizon paralithic contact	0—13 13—43 43—122 122—	—- —- —- —-

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
38	—	—	1012.1	—	170	990	—	—	—	—	—	—	—	—	—	—	—	—	—

Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments.

Oe—3 to 5 centimeters (1.2 to 2.0 inches); fragments.

A—5 to 13 centimeters (2.0 to 5.1 inches); dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; ashy silt loam; 12 percent clay; weak very fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 medium roots and 21.0 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 0.5 medium tubular and 21.0 fine tubular pores; fragments; slightly acid, pH 6.2; gradual smooth boundary. Lab sample # 05N00740

B/A—13 to 25 centimeters (5.1 to 9.8 inches); brown (10YR 4/3) and dark grayish brown (10YR 4/2), pale brown (10YR 6/3), dry; ashy silt loam; 14 percent clay; weak medium subangular blocky parts to moderate very fine subangular blocky, and weak medium subangular blocky parts to moderate fine subangular blocky, and weak coarse subangular blocky parts to moderate very fine subangular blocky, and weak coarse subangular blocky parts to moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 medium roots and 21.0 fine roots and 3.0 coarse roots; 21.0 very fine tubular and 3.0 medium tubular and 21.0 fine tubular and 0.5 coarse tubular pores; fragments; moderately acid, pH 5.9; clear smooth boundary. Lab sample # 05N00741

Bt1—25 to 43 centimeters (9.8 to 16.9 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4), very pale brown (10YR 7/3) and light yellowish brown (10YR 6/4), dry; gravelly loam; 16 percent clay; weak coarse subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 medium roots and 3.0 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 0.5 medium tubular and 21.0 fine tubular and 0.5 coarse tubular pores; fragments; moderately acid, pH 6.0; gradual wavy boundary. Lab sample # 05N00742

Bt2—43 to 69 centimeters (16.9 to 27.2 inches); yellowish brown (10YR 5/4) and dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4) and very pale brown (10YR 7/4) and very pale brown (10YR 7/3), dry; gravelly silt loam; 18 percent clay; weak medium angular blocky, and weak coarse angular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 3.0 medium tubular and 21.0 fine tubular and 0.5 coarse tubular pores; fragments; strongly acid, pH 5.5; gradual wavy boundary. Lab sample # 05N00743

Bt3—69 to 99 centimeters (27.2 to 39.0 inches); light yellowish brown (10YR 6/4) and dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/4), light yellowish brown (10YR 6/4) and very pale brown (10YR 7/3), dry; gravelly silt loam; 20 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 medium roots and 0.5 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 3.0 medium tubular and 21.0 fine tubular and 0.5 coarse tubular pores; fragments; strongly acid, pH 5.3; gradual wavy boundary. Lab sample # 05N00744

B/Ct—99 to 122 centimeters (39.0 to 48.0 inches); brown (10YR 5/3) and yellowish brown (10YR 5/4), pale yellow (2.5Y 7/3) and very pale brown (10YR 7/4), dry; extremely cobbly loam; 12 percent clay; weak fine subangular blocky parts to massive, and weak medium subangular blocky parts to massive; moderately hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 medium roots and 3.0 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 21.0 very fine irregular and 3.0 medium tubular and 3.0 medium irregular and 21.0 fine tubular and 21.0 fine irregular and 0.5 coarse tubular and 0.5 coarse irregular pores; fragments; moderately acid, pH 5.7; clear irregular boundary.

Cr—122 to 132 centimeters (48.0 to 52.0 inches); fragments.