IDENTIFIERS

Current Taxon Name (Soil Name): Skylake

OSD

Series Extent

User Site ID: 06-JFD-135

User Pedon ID: S10OR035002

Vegetation Plot ID: 06-JFD-135

User Site Association ID: OR683 point data

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 11N0412

NCSS Pedon Lab Data NASIS Record ID - 43428

User Project ID: 2019-2KLF-INITIAL-002

Project Name: Winema National Forest Area, Oregon - Initial

Print Date: 12/5/2025

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: 42.3002341

Std. Longitude: -122.2630317

Datum: WGS84

Township: 38 S

Range: 5 E

Section: 5

PLSS Details: 1/4 NW, 1/4 NW

Country: US—United States

State: Oregon

County: OR035—Klamath

MLRA: 3—Olympic and Cascade Mountains

Non-MLRA Soil Survey Area: OR683—Winema National Forest Area, Oregon

7.5 Minute USGS Quad: 42122-C3—Brown Mountain, Oregon

PEDON

Describers Name: Dorr, Jim

Current Taxonomic Class: Medial, amorphic, frigid Alfic Hapludands

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 - Skylake

PSC - 45 to 95 cm.

Classificaton Date - 5/8/2012

Sampled As Information:

Soil Name - Pokegema

Classificaton Date - 10/4/2006

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: colluvium and mudflows mixed with volcanic ash over alluvium

Landscape: Cascade mountains

Landform: creep on ground moraine on mountain valley

Geomorphic Component Mountains: mountainbase

Hill Slope Profile: backslope

Slope Complexity: complex

Slope Shape Across: undulating

Slope Shape Down: undulating

Drainage Class: well

Surface Fragments: 0.50 percent nonflat subrounded indurated 75- to 250-millimeter andesite,

Benchmark Soil?: no

VEGETATION

Other Vegetative Class: CWF241 - Abies concolor-Abies grandis/Chimaphila umbellata—Forested Plant Associations of the Oregon East Cascades; CWH112 - Abies concolor/Chrysolepis chrysophylla var. chrysophylla-Paxistima myrsinites-Chimaphila umbellata—Plant Assoc. of Klamath and S. Chiloquin RD's (R6 E 79-005)

SITE OBSERVATION

Observation Date: 10/4/2006 (actual site observation date)

Data Collector: Dorr, Jim

Plant Association Name: ABCO/CHUM

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
ABCO ABSH ANDI3 ARNE BRCA5 CAIN9 CHCHC4 CHUM FRVE HIAL2 LIBO3 MAST4 ORSE PAMY PHACE PIMO3 ROSA5 SYMO SYNTH2 VAME	Abies concolor Abies xshastensis Antennaria dioica Arctostaphylos nevadensis Bromus carinatus Carex inops Chrysolepis chrysophylla var. chrysophylla Chimaphila umbellata Fragaria vesca Hieracium albiflorum Linnaea borealis Maianthemum stellatum Orthilia secunda Paxistima myrsinites Phacelia Pinus monticola Rosa Symphoricarpos mollis Synthyris Vaccinium membranaceum	white fir Shasta red fir stoloniferous pussytoes pinemat manzanita California brome long-stolon sedge giant chinquapin pipsissewa woodland strawberry white hawkweed twinflower starry false lily of the valley sidebells wintergreen Oregon boxleaf phacelia western white pine rose creeping snowberry kittentails thinleaf huckleberry	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon andic soil properties cambic horizon argillic horizon	5—15 5—45 15—55 55—120	—10— —40— —40— —65—

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
4	—	—	1661.2	—	162	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Oi—0 to 1 centimeters (0.0 to 0.4 inches); slightly decomposed plant material; low excavation difficulty; fragments; abrupt smooth boundary.; slightly moist when described; observed in pit, small

Oe—1 to 3 centimeters (0.4 to 1.2 inches); moderately decomposed plant material; moderate fine granular structure; low excavation difficulty; fragments; abrupt smooth boundary.; slightly moist when described; observed in pit, small

Oa—3 to 5 centimeters (1.2 to 2.0 inches); highly decomposed plant material; moderate fine granular structure; nonsticky, nonplastic; low excavation difficulty; 3.0 very fine roots and 3.0 medium roots and 0.8 fine roots; fragments; abrupt smooth boundary.; slightly moist when described; observed in pit, small

A—5 to 15 centimeters (2.0 to 5.9 inches); dark reddish brown (2.5YR 3/3), brown (7.5YR 4/4), dry; cobbly medial sandy loam; 68 percent sand; 25 percent silt; 7 percent clay; moderate fine granular structure; soft, very friable, nonsticky, nonplastic; moderate excavation difficulty; 9.0 very fine roots and 6.0 medium roots and 6.0 fine roots and 0.8 coarse roots; 15.0 very fine irregular pores; 5 percent by volume nonflat subrounded indurated 75-160-250 millimeter andesite fragments and 5 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter andesite fragments and 10 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments; neutral, pH 6.6; clear wavy boundary. Lab sample # 11N02123; slightly moist when described; observed in pit, small

Bw1—15 to 45 centimeters (5.9 to 17.7 inches); dark reddish brown (5YR 3/4), brown (7.5YR 4/4), dry; cobbly medial loam; 50 percent sand; 39 percent silt; 11 percent clay; weak very coarse subangular blocky parts to moderate fine granular structure; soft, very friable, nonsticky, slightly plastic; moderate excavation difficulty; 6.0 very fine roots and 6.0 medium roots and 6.0 fine roots and 3.0 coarse roots; 15.0 very fine irregular pores; 5 percent by volume nonflat subrounded indurated 75-160-250 millimeter andesite fragments and 10 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter andesite fragments and 10 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments; moderately acid, pH 5.8; abrupt wavy boundary. Lab sample # 11N02124; slightly moist when described; observed in pit, small

2Bw2—45 to 55 centimeters (17.7 to 21.7 inches); reddish brown (5YR 4/3), brown (7.5YR 5/4), dry; paragravelly loam; 45 percent sand; 36 percent silt; 19 percent clay; moderate very coarse subangular blocky structure; moderately hard, very friable, slightly sticky, moderately plastic; moderate excavation difficulty; 3.0 very fine roots and 3.0 medium roots and 0.8 fine roots; 15.0 very fine tubular pores; 5 percent by volume nonflat subrounded indurated 75-160-250 millimeter andesite fragments and 7 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter andesite fragments and 8 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments; moderately acid, pH 5.8; clear wavy boundary. Lab sample # 11N02125; slightly moist when described; observed in pit, small

2Bt1—55 to 75 centimeters (21.7 to 29.5 inches); dark brown (7.5YR 3/4), brown (7.5YR 4/4), dry; paragravelly clay loam; 45 percent sand; 27 percent silt; 28 percent clay; moderate very coarse subangular blocky structure; hard, friable, moderately sticky, very plastic; moderate excavation difficulty; 3.0 very fine roots and 0.1 medium roots and 0.8 fine roots; 12.0 very fine tubular and 0.8 fine tubular pores; 5 percent faint dark brown (7.5YR 3/3) clay films on all faces of peds; 5 percent by volume nonflat subrounded indurated 75-160-250 millimeter andesite fragments and 7 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter andesite fragments and 8 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments; moderately acid, pH 5.8; clear wavy boundary. Lab sample # 11N02126; slightly moist when described; observed in pit, small

2Bt2—75 to 120 centimeters (29.5 to 47.2 inches); dark brown (7.5YR 3/4), brown (7.5YR 4/4), dry; paragravelly loam; 48 percent sand; 28 percent silt; 24 percent clay; moderate very coarse subangular blocky structure; hard, friable, slightly sticky, very plastic; moderate excavation difficulty; 0.8 very fine roots and 0.1 medium roots and 0.2 fine roots; 9.0 very fine tubular and 3.0 fine tubular pores; 5 percent faint dark brown (7.5YR 3/3) clay films on all faces of peds; 10 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments and 10 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter andesite fragments; moderately acid, pH 5.6; diffuse boundary. Lab sample # 11N02127; moist when described; observed in pit, small

2BC—120 to 130 centimeters (47.2 to 51.2 inches); brown (7.5YR 4/3), brown (7.5YR 4/4), dry; paragravelly loam; 45 percent sand; 36 percent silt; 19 percent clay; moderate very coarse subangular blocky structure; moderately hard, friable, slightly sticky, very plastic; moderate excavation difficulty; 0.8 very fine roots and 0.1 medium roots and 0.2 fine roots; 9.0 very fine tubular and 3.0 fine tubular pores; 10 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments and 10 percent by volume nonflat subrounded weakly coherent cemented 2-40-75 millimeter andesite fragments; strongly acid, pH 5.4.; moist when described; observed in pit, small