IDENTIFIERS

Current Taxon Name (Soil Name): Spokane

OSD

Series Extent

User Site ID: S1999WA063005

User Pedon ID: 1999WA063005

Vegetation Plot ID: 1999WA063005

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - KSSL

Lab Pedon # - 00P0798

NCSS Pedon Lab Data NASIS Record ID - 12296

Print Date: 11/21/2024

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: 47.5730500

Std. Longitude: -117.1298139

Datum: WGS84

Township: 24N

Range: 45E

Section: 16

PLSS Details: About 2,500 feet south and 400 feet east of the NW corner

Map Unit: 5026—Micapeak-Spokane complex, 15 to 30 percent slopes

State: Washington

County: WA063—Spokane

MLRA: 43A—Northern Rocky Mountains

Regional Office: NW—Northwest

MLRA Soil Survey Area: NW-MOS—Moscow, Idaho

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

7.5 Minute USGS Quad: 47117-E2—Freeman, Washington

PEDON

Describers Name: Sue Murphy

Current Taxonomic Class: Coarse-loamy, isotic, mesic Ultic Haploxerolls

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 5

Correlated Information:

Soil Name - Spokane

PSC - 27 to 93 cm.

Classificaton Date - 5/4/2016

Classifier - Brian Gardner

Soil Taxonomic Edition - twelfth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - Spokane

Taxonomic Class - Coarse-loamy, mixed, superactive, mesic Vitrandic

Taxon Kind - series

Classificaton Date - 10/11/1999

Moisture Class - xeric

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: mixed volcanic ash, loess and residuum weathered from gneiss

Landscape: foothills

Landform: hillslope

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Slope Position: lower third

Slope Shape Across: linear

Slope Shape Down: convex

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Bedrock: granite with <10

Surface Fragments:

Benchmark Soil?: yes

VEGETATION

Other Vegetative Class: CN190 - ponderosa pine/ninebark—Forest Habitat Types of Northern Idaho (GTR-INT-236)

Vegplot Text Note(s): PSMEG was noted in concave positions only

SITE OBSERVATION

Observation Date: 10/11/1999 (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
FEID HODI KOCR PHLE4 PHMA5 PIPO PSSP6 VEDU	Festuca idahoensis Holodiscus discolor Koeleria cristata Philadelphus lewisii Physocarpus malvaceus Pinus ponderosa Pseudoroegneria spicata Ventenata dubia	Idaho fescue oceanspray — Lewis' mock orange mallow ninebark ponderosa pine bluebunch wheatgrass North Africa grass	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic bedrock, lithic	moderately coherent very strongly coherent	93 - 104 104 -	— —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon cambic horizon paralithic contact lithic contact	2—27 27—93 93—104 104—	—- —- —- —-

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
24	—	—	890	—	240	735	—	108	7.8	—	—	8.3	—	—	—	—	—	—	—

Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments.; observed in pit, small

A1—2 to 17 centimeters (0.8 to 6.7 inches); dark grayish brown (10YR 4/2), very dark brown (10YR 2/2), moist; gravelly ashy loam; 25 percent sand; 67 percent silt; 8 percent clay; weak fine subangular blocky parts to weak fine granular structure; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 medium roots; 21.0 very fine interstitial and 21.0 fine tubular pores; 15 percent by volume nonflat subangular indurated 2-?-75 millimeter gneiss fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 00P04982; observed in pit, small. 15 percent nonflat subangular 2 to 75mm gneiss fragments; pH 6.5, Hellige-Truog.

A2—17 to 27 centimeters (6.7 to 10.6 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; gravelly loam; 25 percent sand; 67 percent silt; 8 percent clay; weak fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 medium roots; 21.0 very fine interstitial and 21.0 fine tubular pores; 15 percent by volume nonflat subangular indurated 2-?-75 millimeter gneiss fragments observed by visual inspection method; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # 00P04983; observed in pit, small. 15 percent noflat subangular 2 to 75mm gneiss fragments; pH 6.5, Hellige-Truog.

Bw1—27 to 43 centimeters (10.6 to 16.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; gravelly sandy loam; 65 percent sand; 27 percent silt; 8 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots and 3.0 medium roots; 21.0 very fine tubular and 21.0 fine tubular pores; 20 percent by volume nonflat subangular indurated 2-?-75 millimeter gneiss fragments observed by visual inspection method; slightly acid, pH 6.1, hellige-truog; gradual wavy boundary. Lab sample # 00P04984; observed in pit, small. 20 percent nonflat subangular 2 to 75mm gneiss fragments; pH 6.1, Hellige-Truog.

Bw2—43 to 78 centimeters (16.9 to 30.7 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 3/4), moist; gravelly sandy loam; 65 percent sand; 27 percent silt; 8 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots and 3.0 medium roots; 3.0 very fine tubular and 3.0 fine tubular pores; 30 percent by volume nonflat subangular indurated 2-?-75 millimeter gneiss fragments observed by visual inspection method; slightly acid, pH 6.1, hellige-truog; gradual wavy boundary.; observed in pit, small. 30 percent nonflat subangular 2 to 75mm gneiss fragments; pH 6.1, Hellige-Truog.

BC—78 to 93 centimeters (30.7 to 36.6 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; very gravelly sandy loam; 65 percent sand; 27 percent silt; 8 percent clay; weak medium subangular blocky structure; hard when dry, firm, nonsticky, slightly plastic; 3.0 medium roots and 3.0 coarse roots; 3.0 very fine interstitial and 3.0 fine interstitial pores; 10 percent clay films on faces of peds; 35 percent by volume nonflat subangular indurated 2-?-75 millimeter gneiss fragments observed by visual inspection method; slightly acid, pH 6.1, hellige-truog; clear wavy boundary.; observed in pit, small. 35 percent nonflat subangular 2 to 75mm gneiss fragments; pH 6.1, Hellige-Truog.

Cr—93 to 104 centimeters (36.6 to 40.9 inches); bedrock; fragments.; observed in pit, small. pH 6.1, Hellige-Truog; moderately decomposed and weathered (moderately cemented) gneiss, no roots except in fractures greater than 10cm apart, can be dug with a spade with moderate difficulty.

R—104 centimeters (40.9 inches); bedrock; fragments.; observed in pit, small. hard (indurated) gneiss.