IDENTIFIERS

Current Taxon Name (Soil Name): Treen

OSD

Series Extent

User Site ID: S2008WA073101

User Pedon ID: S2008WA073101

Vegetation Plot ID: S2008WA073101

Lab Information:

Certified Lab Pedon Description - no

Lab Pedon # - 09N0408

NCSS Pedon Lab Data NASIS Record ID - 24079

Print Date: 2/16/2025

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: 48.8591652

Std. Longitude: -121.4388885

Datum: WGS84

Township: 39 N

Range: 10 E

Section: 24

PLSS Details: 150m south and 590m west of the NE corner

Location Description: Easy Ridge SnoTel site, low ridge between Easy and Mineral Creeks, North Cascades National Park.

Map Unit: 9016—Doubtful-Triumph-Perfect complex, 35 to 100 percent slopes

State: Washington

County: WA073—Whatcom

MLRA: 3—Olympic and Cascade Mountains

Non-MLRA Soil Survey Area: WA774—North Cascades National Park Complex, Washington

7.5 Minute USGS Quad: 48121-G4—Mount Blum, Washington

PEDON

Describers Name: Toby Rodgers

Current Taxonomic Class: Medial, amorphic Lithic Haplocryands

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Treen

PSC - 8 to 50 cm.

Classificaton Date - 4/17/2012

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Treen

Classificaton Date - 9/17/2008

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: volcanic ash and/or ablation till over residuum weathered from granite

Landscape: North Cascades mountain range

Landform: ridge

Hill Slope Profile: shoulder

Slope Position: upper third

Slope Complexity: complex

Slope Shape Across: convex

Slope Shape Down: convex

Drainage Pattern: dendritic

Runoff: medium

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Bedrock: indurated moderate weathered granite at 50cm with 10 to <45

Geology: Index Batholith, Mineral Mountain Phase group .

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/17/2008 (actual site observation date)

Air Photo ID: NAIP

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 - sunny

Current Air Temp - 26

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ABLA TSME CUNO PHEM CAME7 VADE VAME	Abies lasiocarpa Tsuga mertensiana Cupressus nootkatensis Phyllodoce empetriformis Cassiope mertensiana Vaccinium deliciosum Vaccinium membranaceum	subalpine fir mountain hemlock Alaska cedar pink mountainheath western moss heather Cascade bilberry thinleaf huckleberry	— — — — — — —	— — — — — — —	— — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, lithic	indurated	50 -	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
umbric epipedon andic soil properties cambic horizon paralithic materials lithic contact	8—20 8—33 20—50 33—50 50—75	—12— —25— —30— —17— —-

Site Soil Temperature
Site Obs. Date	Depth	Sensor Kind	Temperature
	cm		C
9/17/2008 9/17/2008	15 50	— —	8 7

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
10	—	—	1610	—	200	2210	—	45	3.9	—	—	4	—	—	—	—	998	Easy Pass	SNOTEL

Oi—0 to 3 centimeters (0.0 to 1.2 inches); peat; low excavation difficulty; 3.0 very fine roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 3.0 coarse roots throughout; fragments; abrupt smooth boundary.; dry when described; observed in pit, small

Oa—3 to 8 centimeters (1.2 to 3.1 inches); muck; 65 percent sand; 34 percent silt; 1 percent clay; moderately rapid permeability; low excavation difficulty; 3.0 very fine roots throughout and 0.8 medium roots throughout and 3.0 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine low-continuity dendritic tubular and 3.0 fine low-continuity dendritic tubular pores; fragments; abrupt smooth boundary.; slightly moist when described; observed in pit, small

E—8 to 10 centimeters (3.1 to 3.9 inches); very dark grayish brown (10YR 3/2) crushed, grayish brown (10YR 5/2) crushed, dry; ashy fine sandy loam; 65 percent sand; 34 percent silt; 1 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; moderately rapid permeability; low excavation difficulty; 0.8 very fine roots throughout; 3.0 very fine low-continuity interstitial pores; fragments; strongly acid, pH 5.5, pH indicator strip; abrupt smooth boundary.; moist when described; observed in pit, small

A—10 to 20 centimeters (3.9 to 7.9 inches); very dark brown (10YR 2/2) crushed, dark grayish brown (10YR 4/2) crushed, dry; ashy sandy loam; 60 percent sand; 37 percent silt; 3 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; moderately rapid permeability; low excavation difficulty; 3.0 very fine roots throughout and 0.8 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine low-continuity irregular and 3.0 fine low-continuity irregular pores; fragments; strongly acid, pH 5.5, pH indicator strip; abrupt smooth boundary.; moist when described; observed in pit, small

Bw—20 to 33 centimeters (7.9 to 13.0 inches); dark yellowish brown (10YR 3/4) crushed, yellowish brown (10YR 5/4) crushed, dry; ashy gravelly sandy loam; 65 percent sand; 31 percent silt; 4 percent clay; moderate medium subangular blocky parts to weak fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; moderately rapid permeability; low excavation difficulty; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout; 3.0 very fine low-continuity irregular and 3.0 medium low-continuity irregular and 3.0 fine low-continuity irregular pores; 5 percent by volume nonflat subrounded indurated 2-4-5 millimeter granite fragments and 5 percent by volume nonflat subrounded indurated 5-38-75 millimeter granite fragments and 10 percent by volume nonflat subrounded indurated 75-102-250 millimeter granite fragments; strongly acid, pH 5.5, pH indicator strip; clear wavy boundary.; moist when described; observed in pit, small

B/C—33 to 50 centimeters (13.0 to 19.7 inches); dark yellowish brown (10YR 3/6) crushed, yellowish brown (10YR 5/6) crushed, dry; gravelly coarse sandy loam; 70 percent sand; 26 percent silt; 4 percent clay; weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; moderately rapid permeability; moderate excavation difficulty; 0.8 very fine roots throughout and 0.8 fine roots throughout; 3.0 very fine low-continuity irregular and 3.0 medium low-continuity irregular and 3.0 fine low-continuity irregular pores; 5 percent by volume nonflat subrounded indurated 2-4-5 millimeter granite fragments and 10 percent by volume nonflat subrounded indurated 5-38-75 millimeter granite fragments; moderately acid, pH 6.0, pH indicator strip; abrupt irregular boundary.; moist when described; observed in pit, small

R—50 to 75 centimeters (19.7 to 29.5 inches); fragments.; observed in pit, small