IDENTIFIERS

Current Taxon Name (Soil Name): Castlecrest

OSD

Series Extent

User Site ID: 04-TDT-01

User Pedon ID: 04OR035001

Vegetation Plot ID: 04-TDT-01

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 04N1021

NCSS Pedon Lab Data NASIS Record ID - 16978

Print Date: 12/4/2024

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: 43.0486107

Std. Longitude: -122.1180573

Datum: WGS84

Location Description: Crater Lake National Park. Two miles south from the north entrance to the park and about 100 yards east near the abandoned borrow pit.

Map Unit: 62—Umak paragravelly ashy fine sandy loam, 0 to 7 percent slopes

Country: US—United States

State: Oregon

County: OR035—Klamath

MLRA: 3—Olympic and Cascade Mountains

Non-MLRA Soil Survey Area: OR682—Crater Lake National Park, Oregon

7.5 Minute USGS Quad: 43122-A1—Pumice Desert East, Oregon

PEDON

Describers Name: Thor Thorson

Current Taxonomic Class: Ashy, amorphic Typic Vitricryands

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 1

Correlated Information:

Soil Name - Castlecrest

PSC - 2 to 102 cm.

Classificaton Date - 8/19/2005

Soil Taxonomic Edition - ninth edition

Moisture Class - udic

Sampled As Information:

Soil Name - Castlecrest

Classificaton Date - 6/28/2004

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: sandy ash flow derived from volcanic rock

Landscape: mountains

Geomorphic Component Mountains: mountaintop

Slope Complexity: simple

Runoff: low

Drainage Class: somewhat excessively

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/28/2004 (actual site observation date)

Surface Water Kind: none observed

Plant Association Name: mountain hemlock

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

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
PICO	Pinus contorta	lodgepole pine	—	—	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon andic soil properties cambic horizon	— 2—60 15—60	—- —58— —45—

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
2	—	—	1829	—		1702	—	30	3.3	—	—	—	—	—	—	—	351946	Crater Lake National Park Headquarters, OR	—

Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments; abrupt smooth boundary. Lab sample # 04N05485; dry when described; observed in pit, large or quarry

A—2 to 15 centimeters (0.8 to 5.9 inches); very dark grayish brown (10YR 3/2) exterior, brown (10YR 4/3) exterior, dry; ashy sandy loam; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; 4.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine interstitial and 20.0 fine interstitial pores; fragments; clear wavy boundary. Lab sample # 04N05486; dry when described; observed in pit, large or quarry

Bw1—15 to 39 centimeters (5.9 to 15.4 inches); dark brown (10YR 3/3) exterior ashy sandy loam; moderate medium subangular blocky structure; slightly hard, friable, nonsticky, slightly plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 20.0 fine interstitial pores; fragments; gradual wavy boundary. Lab sample # 04N05487; moist when described; observed in pit, large or quarry

Bw2—39 to 60 centimeters (15.4 to 23.6 inches); 70 percent dark brown (10YR 3/3) exterior and 30 percent yellowish brown (10YR 5/6) exterior ashy loamy sand; weak medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 10.0 medium interstitial and 20.0 fine interstitial pores; fragments; gradual wavy boundary. Lab sample # 04N05488; moist when described; observed in pit, large or quarry

C1—60 to 107 centimeters (23.6 to 42.1 inches); very dark grayish brown (10YR 3/2) exterior ashy sand; massive; slightly hard, friable, nonsticky, nonplastic; 20.0 medium interstitial pores; fragments; clear wavy boundary. Lab sample # 04N05489; moist when described; observed in pit, large or quarry

C2—107 to 153 centimeters (42.1 to 60.2 inches); black (10YR 2/1) exterior ashy sand; moderate thick platy structure; hard, firm, nonsticky, nonplastic; 20.0 fine interstitial pores; fragments; abrupt smooth boundary. Lab sample # 04N05490; moist when described; observed in pit, large or quarry

C3—153 to 160 centimeters (60.2 to 63.0 inches); very dark grayish brown (10YR 3/2) exterior ashy sand; massive; loose, loose, nonsticky, nonplastic; 0.5 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 20.0 medium interstitial pores; fragments; abrupt smooth boundary. Lab sample # 04N05491; moist when described; observed in pit, large or quarry

2C4—160 to 200 centimeters (63.0 to 78.7 inches); 70 percent yellow (10YR 7/6) exterior and 30 percent light brownish gray (2.5Y 6/2) exterior very paragravelly ashy fine sandy loam; massive; friable, slightly sticky, slightly plastic; 10.0 very fine interstitial pores; 10 percent by volume subrounded moderately coherent cemented 75-100-150 millimeter pumice fragments and 40 percent by volume subrounded moderately coherent cemented 10-50-75 millimeter pumice fragments. Lab sample # 04N05492; moist when described; observed in pit, large or quarry