IDENTIFIERS

Current Taxon Name (Soil Name): Summerland

OSD

Series Extent

User Site ID: S2012WA053589

User Pedon ID: S2012WA053589

Vegetation Plot ID: S2012WA053589

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 13N0644

NCSS Pedon Lab Data NASIS Record ID - 72129

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: 46.8474430

Std. Longitude: -121.5255940

Datum: WGS84

Township: 16 N

Range: 10 E

Section: 26

PLSS Details: 665m north and 280m east of SW corner

Location Description: Mount Rainier National Park, adjacent to Highway 123 in avalanche path just north of highway tunnel.

State: Washington

County: WA053—Pierce

MLRA: 3—Olympic and Cascade Mountains

Non-MLRA Soil Survey Area: WA754—Mount Rainier National Park, Washington

7.5 Minute USGS Quad: 46121-G5—Chinook Pass, Washington

PEDON

Describers Name: Toby Rodgers

Current Taxonomic Class: Ashy-skeletal, glassy Humic Vitricryands

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Summerland

PSC - 6 to 106 cm.

Classificaton Date - 12/5/2014

Classifier - Toby Rodgers

Soil Taxonomic Edition - twelfth edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Humic Vitricryand

Taxonomic Class - Ashy-skeletal, amorphic Humic Vitricryands

Taxon Kind - taxon above family

PSC - 6 to 106 cm.

Classificaton Date - 11/16/2012

Classifier - Toby Rodgers

Soil Taxonomic Edition - eleventh edition

Moisture Class - udic

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: volcanic ash and/or colluvium derived from andesite

Landscape: mountains

Landform: avalanche chute

Geomorphic Component Mountains: mountainflank

Hill Slope Profile: backslope

Slope Position: middle third

Slope Complexity: complex

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments: 10.00 percent nonflat angular indurated 250- to 600-millimeter andesite,

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/11/2012 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - shrub cover

Site Obs. Cover Kind 2 - native shrubs

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Current Air Temp - 21

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ACCI ALVIS ABAM CUNO CLUN2 ACTR	Acer circinatum Alnus viridis ssp. sinuata Abies amabilis Cupressus nootkatensis Clintonia uniflora Achlys triphylla	vine maple Sitka alder Pacific silver fir Alaska cedar bride's bonnet sweet after death	— — — — — —	— — — — — —	— — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
umbric epipedon andic soil properties	6—68 6—110	—62— —104—

Site Soil Temperature
Site Obs. Date	Depth	Sensor Kind	Temperature
	cm		C
10/11/2012 10/11/2012	15 50	— —	8.3 7.1

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	—	—	1207	—	270	1905	—	90	5	—	—	4	—	—	—	—	—	—	—

Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; 75 percent sand; 23 percent silt; 2 percent clay; common (3.0) very fine roots throughout and common (3.0) fine roots throughout; common (3.0) fine moderate-continuity interstitial pores; fragments; abrupt wavy boundary.; dry when described; observed in pit, small. Thin discontinuous tephra between Oi and Oe horizons, likely Mt. St. Helens 1980 tephra.

Oe—2 to 6 centimeters (0.8 to 2.4 inches); moderately decomposed plant material; 75 percent sand; 23 percent silt; 2 percent clay; many (8.0) very fine roots throughout and few (0.8) medium roots throughout and many (8.0) fine roots throughout; common (3.0) fine moderate-continuity interstitial pores; fragments; abrupt wavy boundary.; dry when described; observed in pit, small

A1—6 to 20 centimeters (2.4 to 7.9 inches); very dark brown (10YR 2/2) crushed, dark grayish brown (10YR 4/2) crushed, dry; stony ashy loamy sand; 75 percent sand; 23 percent silt; 2 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; many (8.0) very fine roots throughout and common (3.0) medium roots throughout and many (8.0) fine roots throughout and common (3.0) coarse roots throughout; common (3.0) very fine moderate-continuity interstitial and common (3.0) fine moderate-continuity interstitial pores; 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method and 5 percent by volume nonflat angular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method and 5 percent by volume nonflat angular indurated 250-425-600 millimeter andesite fragments observed by visual inspection method; clear irregular boundary. Lab sample # 13N03031; dry when described; observed in pit, small

A2—20 to 42 centimeters (7.9 to 16.5 inches); very dark brown (10YR 2/2) crushed, dark brown (10YR 3/3) crushed, dry; very cobbly ashy sandy loam; 60 percent sand; 35 percent silt; 5 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; many (8.0) very fine roots throughout and common (3.0) medium roots throughout and many (8.0) fine roots throughout and common (3.0) coarse roots throughout; common (3.0) very fine moderate-continuity interstitial and common (3.0) fine moderate-continuity interstitial pores; 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method and 5 percent by volume nonflat angular indurated 250-425-600 millimeter andesite fragments observed by visual inspection method and 15 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method and 15 percent by volume nonflat angular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method; abrupt irregular boundary. Lab sample # 13N03032; dry when described; observed in pit, small

A3—42 to 68 centimeters (16.5 to 26.8 inches); very dark brown (10YR 2/2) crushed, brown (10YR 4/3) crushed, dry; paragravelly ashy sandy loam; 65 percent sand; 30 percent silt; 5 percent clay; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few (0.8) very fine roots throughout and few (0.8) medium roots throughout and few (0.8) fine roots throughout; common (3.0) very fine moderate-continuity interstitial and common (3.0) fine moderate-continuity interstitial pores; 5 percent by volume nonflat angular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method and 10 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method and 15 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method; abrupt irregular boundary. Lab sample # 13N03033; dry when described; observed in pit, small

Bw1—68 to 76 centimeters (26.8 to 29.9 inches); very dark grayish brown (10YR 3/2) crushed, dark grayish brown (10YR 4/2) crushed, dry; very cobbly ashy fine sandy loam; 55 percent sand; 39 percent silt; 6 percent clay; strong medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few (0.8) very fine roots around fragments and few (0.8) medium roots around fragments and few (0.8) fine roots around fragments; common (3.0) very fine moderate-continuity irregular and common (3.0) fine moderate-continuity irregular pores; 5 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments observed by visual inspection method and 10 percent by volume nonflat angular indurated 250-425-600 millimeter andesite fragments observed by visual inspection method and 10 percent by volume nonflat subrounded moderately coherent cemented 5-41-75 millimeter pumice fragments observed by visual inspection method and 15 percent by volume nonflat angular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method; clear irregular boundary. Lab sample # 13N03034; slightly moist when described; observed in pit, small

Bw2—76 to 150 centimeters (29.9 to 59.1 inches); dark brown (10YR 3/3) crushed, brown (10YR 4/3) crushed, dry; very cobbly ashy sandy loam; 65 percent sand; 30 percent silt; 5 percent clay; strong medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few (0.8) very fine roots around fragments; common (3.0) very fine moderate-continuity irregular and common (3.0) fine moderate-continuity irregular pores; 5 percent by volume nonflat subangular indurated 2-4-5 millimeter andesite fragments observed by visual inspection method and 10 percent by volume nonflat subangular indurated 5-41-75 millimeter andesite fragments observed by visual inspection method and 10 percent by volume nonflat angular indurated 250-425-600 millimeter andesite fragments observed by visual inspection method and 15 percent by volume nonflat angular indurated 75-163-250 millimeter andesite fragments observed by visual inspection method.; slightly moist when described; observed in pit, small