IDENTIFIERS

Current Taxon Name (Soil Name): Boulderjud

OSD

Series Extent

User Site ID: S2000WA063005

User Pedon ID: S2000WA063005

Vegetation Plot ID: S2000WA063005

Lab Information:

Certified Lab Pedon Description - no

Lab Pedon # - 01P0254

NCSS Pedon Lab Data NASIS Record ID - 13086

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: 47.8775940

Std. Longitude: -117.1047516

Datum: WGS84

Township: 28N

Range: 45E

Section: 34

PLSS Details: About 1640 feet east and 1650 feet south of the northwest corner

Location Description: About .25 miles east of Deadman Creek and .5 mile northwest of Round Top Mountain on state logging road.

Map Unit: 5103—Boulderjud ashy silt loam, 30 to 60 percent slopes

State: Washington

County: WA063—Spokane

MLRA: 43—Northern Rocky Mountains

Non-MLRA Soil Survey Area: WA063—Spokane County, Washington

7.5 Minute USGS Quad: 47117-G1—Newman Lake, Washington

PEDON

Describers Name: Sue Murphy

Current Taxonomic Class: Ashy over loamy-skeletal, amorphic over mixed, frigid Typic Udivitrands

Current Taxon Kind: series

Pedon Type: taxadjunct to the series

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Boulderjud

PSC - 8 to 108 cm.

Classificaton Date - 2/10/2012

Soil Taxonomic Edition - eleventh edition

Moisture Subclass - typic

Sampled As Information:

Soil Name - Boulderjud

Classificaton Date - 6/30/1999

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: volcanic ash over weathered granite

Landscape: mountains

Geomorphic Component Mountains: mountainflank, center third

Hill Slope Profile: backslope

Slope Position: middle third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: very high

Drainage Class: well

Flooding: none flooding

Bedrock: weakly coherent moderate weathered granite at 130cm with 10 to <45

Geology: Mount Spokane Granitics formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/30/1999 (actual site observation date)

Air Photo ID: 10S

Plant Association Name: TSHE/ASCA Habitat Type

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

Current Weather - partly cloudy

Current Air Temp - 20

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
TSHE PIMO3 ABGR PSME LAOC ACGL SORBU ASCA2 CLUN2 COOC MAST4 ANPI TITRU VIOR ADBI CHUM OSCL PYROL	Tsuga heterophylla Pinus monticola Abies grandis Pseudotsuga menziesii Larix occidentalis Acer glabrum Sorbus Asarum caudatum Clintonia uniflora Coptis occidentalis Maianthemum stellatum Anemone piperi Tiarella trifoliata var. unifoliata Viola orbiculata Adenocaulon bicolor Chimaphila umbellata Osmorhiza claytonii Pyrola	western hemlock western white pine grand fir Douglas-fir western larch Rocky Mountain maple mountain ash British Columbia wildginger bride's bonnet Idaho goldthread starry false lily of the valley Piper's anemone oneleaf foamflower darkwoods violet American trailplant pipsissewa Clayton's sweetroot wintergreen	— — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic bedrock, lithic	weakly coherent strongly coherent	130 - 203 203 -	- 73 - —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
andic soil properties cambic horizon	8—48 23—84	36—40—51 51—61—71

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
50	—	—	1098	—	200	889	—	75	7	—	—	7	9	—	—	—	—	—	—

Oi—0 to 4 centimeters (0.0 to 1.6 inches); slightly decomposed plant material; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary.; observed in cut. slightly decomposed needs and twigs

Oe—4 to 8 centimeters (1.6 to 3.1 inches); moderately decomposed plant material; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary.; observed in cut. moderately well decomposed organic matter

A—8 to 23 centimeters (3.1 to 9.1 inches); dark brown (7.5YR 3/4) crushed, brown (7.5YR 5/4) broken face, dry; ashy silt loam; 8 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, slightly plastic; moderately smeary; moderate permeability; 2.0 very fine roots throughout and 2.0 fine roots throughout; 8.0 very fine low-continuity interstitial and 8.0 fine low-continuity dendritic tubular pores; fragments; noneffervescent; neutral, pH 6.6, hellige-truog; clear wavy boundary.; observed in cut

Bw1—23 to 48 centimeters (9.1 to 18.9 inches); dark yellowish brown (10YR 4/6) crushed, brownish yellow (10YR 6/6) broken face, dry; ashy silt loam; 8 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, slightly plastic; moderately smeary; moderate permeability; 2.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 8.0 very fine low-continuity interstitial and 8.0 fine low-continuity dendritic tubular pores; 3 percent by volume nonflat subangular moderately coherent cemented 2-3-4 millimeter granite fragments; noneffervescent; neutral, pH 6.6, hellige-truog; abrupt wavy boundary.; observed in cut

2Bw2—48 to 58 centimeters (18.9 to 22.8 inches); brown (10YR 4/3) crushed, pale brown (10YR 6/3) broken face, dry; very gravelly sandy loam; 14 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderately rapid permeability; 2.0 very fine roots throughout and 2.0 fine roots throughout; 3.0 very fine low-continuity dendritic tubular and 3.0 fine low-continuity dendritic tubular pores; 10 percent distinct clay bridges between sand grains; 10 percent by volume nonflat subangular moderately coherent cemented 5-20-75 millimeter granite fragments and 35 percent by volume nonflat subangular moderately coherent cemented 2-3-4 millimeter granite fragments; noneffervescent; moderately acid, pH 6.0, hellige-truog; clear wavy boundary.; observed in cut. patchy - phpvsfiid 20561; patchy - phpvsfiid 20561

2Bw3—58 to 84 centimeters (22.8 to 33.1 inches); yellowish brown (10YR 5/4) crushed, very pale brown (10YR 7/3) broken face, dry; very gravelly sandy loam; 12 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; moderately rapid permeability; 0.2 very fine roots throughout and 0.2 medium roots throughout and 0.2 fine roots throughout; 3.0 very fine low-continuity dendritic tubular and 3.0 fine low-continuity dendritic tubular pores; 10 percent faint clay bridges between sand grains; 5 percent by volume nonflat subangular moderately coherent cemented 5-20-75 millimeter granite fragments and 35 percent by volume nonflat subangular moderately coherent cemented 2-3-4 millimeter granite fragments; noneffervescent; very strongly acid, pH 5.0, hellige-truog; clear irregular boundary.; observed in cut. patchy - phpvsfiid 20562; patchy - phpvsfiid 20562

2BC—84 to 114 centimeters (33.1 to 44.9 inches); yellowish brown (10YR 5/6) crushed, very pale brown (10YR 7/4) broken face, dry; very gravelly sandy loam; 16 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderately rapid permeability; 0.2 very fine roots throughout and 0.1 medium roots throughout and 0.1 fine roots throughout; 8.0 fine low-continuity interstitial pores; 35 percent by volume nonflat subangular moderately coherent cemented 2-3-4 millimeter granite fragments; noneffervescent; very strongly acid, pH 4.8, hellige-truog; clear irregular boundary.; observed in cut

2C—114 to 130 centimeters (44.9 to 51.2 inches); pale yellow (2.5Y 8/3) crushed, pale yellow (2.5Y 8/3) broken face, dry; very gravelly loamy sand; 5 percent clay; massive; slightly hard, friable, nonsticky, nonplastic; rapid permeability; 0.1 very fine roots throughout; 8.0 very fine low-continuity dendritic tubular pores; ; 20 percent by volume nonflat subangular moderately coherent cemented 5-20-75 millimeter granite fragments and 30 percent by volume nonflat subangular moderately coherent cemented 2-3-4 millimeter granite fragments; 15 percent of co mica flakes; noneffervescent; strongly acid, pH 5.2, hellige-truog; clear irregular boundary.; observed in cut

2Cr—130 to 200 centimeters (51.2 to 78.7 inches); weakly coherent; low excavation difficulty; fragments; noneffervescent, hellige-truog.; observed in cut