IDENTIFIERS

Current Taxon Name (Soil Name): Bechtel

OSD

Series Extent

User Site ID: S1991ID009001

User Pedon ID: S1991ID009001

Vegetation Plot ID: S1991ID009001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 92P0274

NCSS Pedon Lab Data NASIS Record ID - 64513

Print Date: 11/24/2024

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: 47.1269455

Std. Longitude: -116.6036148

Datum: WGS84

Township: 44N

Range: 2W

Section: 28

PLSS Details: 1500 feet N and 400 feet E of SW corner

Map Unit: 8—Bechtel-Reggear silt loams, 20 to 40 percent slopes

State: Idaho

County: ID009—Benewah

MLRA: 43A—Northern Rocky Mountains

Non-MLRA Soil Survey Area: ID608—St. Joe Area, Idaho, Parts of Benewah and Shoshone Counties

7.5 Minute USGS Quad: 47116-B5—Lindstrom Peak, Idaho

PEDON

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

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 1

Correlated Information:

Soil Name - Bechtel

PSC - 31 to 84 cm.

Classificaton Date - 3/14/2013

Classifier - Brian Gardner

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Bechtel

Classificaton Date - 5/1/1991

Moisture Class - udic

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

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

Landscape: foothills

Landform: ridge

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Bedrock: moderately coherent siltite at 122cm

Surface Fragments:

Benchmark Soil?: no

VEGETATION

Other Vegetative Class: CN520 - grand fir/queencup beadlily—SSR4: Forest Habitat Type - Northern Idaho

SITE OBSERVATION

Observation Date: 5/1/1991 (actual site observation date)

Plant Association Name: ABGR/CLUN

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

Site Erosion Accelerated: water erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ABGR ADBI ANPI ARCO9 CLUN2 FRAGA LIBOL2 PIMO3 PSMEG SMST SYAL THOC TROV2 VIOR	Abies grandis Adenocaulon bicolor Anemone piperi Arnica cordifolia Clintonia uniflora Fragaria Linnaea borealis ssp. longiflora Pinus monticola Pseudotsuga menziesii var. glauca Smilacina stellata Symphoricarpos albus Thalictrum occidentale Trillium ovatum Viola orbiculata	grand fir American trailplant Piper's anemone heartleaf arnica bride's bonnet strawberry longtube twinflower western white pine Rocky Mountain Douglas-fir — common snowberry western meadow-rue Pacific trillium darkwoods violet	— — — — — — — — — — — — — —	— — — — — — — — — — — — — —	— — — — — — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	—	119 -	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon paralithic contact	0—14 31—84 119—	—- —- —-

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
28	—	—	957	—	135	952	—	100	6.7	—	—	—	—	—	—	—	—	—	—

O i—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; fragments. slightly decomposed needles, leaves, twigs and grass

A—1 to 14 centimeters (0.4 to 5.5 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 17 percent clay; moderate fine granular, and weak fine subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 5.5 very fine and fine roots and 2.5 medium and coarse roots; 5.5 very fine and fine tubular pores; fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # 92P1797. common medium and coarse roots; many very fine and fine roots

BA—14 to 31 centimeters (5.5 to 12.2 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; silt loam; 19 percent clay; weak fine and medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 medium and coarse roots; 2.5 very fine and fine tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. Lab sample # 92P1798. few medium and coarse roots; common very fine and fine roots

B t1—31 to 51 centimeters (12.2 to 20.1 inches); brown (10YR 5/3), very pale brown (10YR 7/3), dry; gravelly loam; 24 percent clay; moderate fine and medium subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 2.5 very fine and fine roots and 0.5 medium roots; 2.5 very fine and fine tubular pores; 37 percent faint clay films on faces of peds and in pores; 15 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.5, hellige-truog; gradual wavy boundary. common clay films surface features on faces of peds and in pores; few medium roots; common very fine and fine roots

B t2—51 to 84 centimeters (20.1 to 33.1 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; gravelly loam; 26 percent clay; moderate medium and coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 very fine and fine roots and 0.5 medium roots; 0.5 very fine and fine tubular pores; 37 percent faint clay films on faces of peds and in pores; 30 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 6.0, hellige-truog; gradual wavy boundary. common clay films surface features on faces of peds and in pores; few medium roots; common very fine and fine roots

BC—84 to 119 centimeters (33.1 to 46.9 inches); pale brown (10YR 6/3) and light yellowish brown (2.5Y 6/4), very pale brown (10YR 8/3) and pale yellow (2.5Y 8/4), dry; very gravelly loam; 22 percent clay; weak medium and coarse subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 0.5 very fine and fine roots; 0.5 very fine and fine tubular pores; 50 percent by volume 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. few very fine and fine roots

C r—119 to 144 centimeters (46.9 to 56.7 inches); bedrock; fragments. soft fragmented silt stone-no roots