IDENTIFIERS

Current Taxon Name (Soil Name): Rockyhole

OSD

Series Extent

User Site ID: 06OR0351142

User Pedon ID: S2012OR035004

Vegetation Plot ID: 06OR0351142

User Site Association ID: OR683 point data

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 12N8334

Print Date: 4/19/2025

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: 42.5522722

Std. Longitude: -121.7677278

Datum: WGS84

Township: 35 S

Range: 8 E

Section: 9

PLSS Details: about 1.980 feet west and 2,760 feet south of the northeast corner

Map Unit: 1382—Hawkslake-Rockyhole complex, 15 to 50 percent slopes

Country: US—United States

State: Oregon

County: OR035—Klamath

MLRA: 6—Cascade Mountains, Eastern Slope

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

7.5 Minute USGS Quad: 42121-E7—Chiloquin, Oregon

PEDON

Describers Name: Dorr, Jim

Current Taxonomic Class: Ashy over loamy-skeletal, glassy over isotic, frigid Alfic Vitrixerands

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Rockyhole

PSC - 7 to 107 cm.

Classificaton Date - 12/26/2024

Classifier - Gebauer, Chris

Soil Taxonomic Edition - thirteenth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - Maset

Classificaton Date - 10/17/2006

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

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

Landscape: lava plateau

Landform: hill

Geomorphic Component Mountains: mountainflank

Hill Slope Profile: backslope

Slope Complexity: complex

Slope Shape Across: undulating

Slope Shape Down: linear

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

Other Vegetative Class: CDS645 - Pseudotsuga menziesii/Ceanothus prostratus—Forested Plant Associations of the Oregon East Cascades; CWS116 - Abies concolor/Ceanothus velutinus-Ceanothus prostratus/Fragaria virginiana—Plant Assoc. of Klamath and S. Chiloquin RD's (R6 E 79-005)

SITE OBSERVATION

Observation Date: 10/17/2006 (actual site observation date)

Plant Association Name: ABCO/CEVE-CEPR/FRVI p.a.

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
AMAL2 ARPA6 BRTE CAIN9 CEPR CLARK COGR4 ELEL5 ERBL2 ERLA6 FEID FRVI JUOC LUPIN PIPO PUTR2	Amelanchier alnifolia Arctostaphylos patula Bromus tectorum Carex inops Ceanothus prostratus Clarkia Collomia grandiflora Elymus elymoides Ericameria bloomeri Eriophyllum lanatum Festuca idahoensis Fragaria virginiana Juniperus occidentalis Lupinus Pinus ponderosa Purshia tridentata	Saskatoon serviceberry greenleaf manzanita cheatgrass long-stolon sedge prostrate ceanothus clarkia grand collomia squirreltail rabbitbush common woolly sunflower Idaho fescue Virginia strawberry western juniper lupine ponderosa pine antelope bitterbrush	— — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon andic soil properties cambic horizon lithologic discontinuity argillic horizon	0—20 7—70 20—70 70— 70—201	—20— —63— —50— —- —131—

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
28	—	—	1396	—	106	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Oi—0 to 4 centimeters (0.0 to 1.6 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.

Oe—4 to 7 centimeters (1.6 to 2.8 inches); moderately decomposed plant material; fragments; abrupt smooth boundary.

A—7 to 20 centimeters (2.8 to 7.9 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; paragravelly ashy coarse sandy loam; 60 percent sand; 31 percent silt; 9 percent clay; weak fine granular structure; soft, very friable, nonsticky, nonplastic; many (9.0) very fine roots and few (0.1) very coarse roots and common (3.0) medium roots and common (3.0) fine roots and few (0.1) coarse roots; many (10.0) very fine irregular pores; 1 percent by volume nonflat subrounded indurated 75-160-250 millimeter andesite fragments and 10 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments and 10 percent by volume nonflat subrounded indurated 2-40-75 millimeter andesite fragments; neutral, pH 6.6, bromthymol blue; gradual smooth boundary. Lab sample # 12N05009; dry when described;

Bw1—20 to 45 centimeters (7.9 to 17.7 inches); brown (10YR 5/3), dark brown (7.5YR 3/4), moist; gravelly ashy coarse sandy loam; 70 percent sand; 27 percent silt; 3 percent clay; weak very coarse subangular blocky parts to moderate fine granular structure; soft, very friable, nonsticky, nonplastic; common (6.0) very fine roots and common (3.0) medium roots and few (0.8) fine roots and few (0.3) coarse roots; many (15.0) very fine irregular pores; 4 percent by volume nonflat subrounded indurated 75-150-250 millimeter andesite fragments and 10 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments and 20 percent by volume nonflat subrounded indurated 2-35-75 millimeter andesite fragments; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 12N05010; dry when described;

Bw2—45 to 70 centimeters (17.7 to 27.6 inches); brown (10YR 5/3), dark brown (7.5YR 3/4), moist; gravelly ashy coarse sandy loam; 70 percent sand; 27 percent silt; 3 percent clay; weak very coarse subangular blocky parts to moderate fine granular structure; soft, very friable, nonsticky, nonplastic; common (6.0) very fine roots and common (3.0) medium roots and few (0.8) fine roots and few (0.3) coarse roots; many (15.0) very fine irregular pores; 4 percent by volume nonflat subrounded indurated 75-150-250 millimeter andesite fragments and 10 percent by volume nonflat subrounded moderately coherent cemented 2-4-5 millimeter pumice fragments and 20 percent by volume nonflat subrounded indurated 2-35-75 millimeter andesite fragments; neutral, pH 6.6, bromthymol blue; clear smooth boundary. Lab sample # 12N05011; dry when described;

2Bt1—70 to 90 centimeters (27.6 to 35.4 inches); pale brown (10YR 6/3), dark brown (7.5YR 3/3), moist; very cobbly loam; 51 percent sand; 32 percent silt; 17 percent clay; moderate very coarse subangular blocky parts to moderate fine granular structure; slightly hard, friable, slightly sticky, moderately plastic; few (0.3) very fine roots and few (0.1) medium roots and few (0.1) fine roots; many (15.0) very fine irregular and common (3.0) fine irregular pores; 15 percent distinct dark brown (7.5YR 3/3), dry, clay films on all faces of peds and 70 percent distinct brown (10YR 4/3), moist, silt coats on all faces of peds; 20 percent by volume nonflat subrounded indurated 2-35-75 millimeter andesite fragments and 25 percent by volume nonflat subrounded indurated 75-150-250 millimeter andesite fragments; slightly acid, pH 6.2, bromthymol blue; clear wavy boundary. Lab sample # 12N05012; dry when described;

2Bt2—90 to 115 centimeters (35.4 to 45.3 inches); light yellowish brown (10YR 6/4), dark brown (7.5YR 3/3), moist; very gravelly loam; 45 percent sand; 30 percent silt; 24 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; few (0.1) medium roots and few (0.1) fine roots; common (3.0) very fine tubular and common (3.0) fine tubular pores; 15 percent distinct dark brown (7.5YR 3/3), dry, clay films on all faces of peds; 10 percent by volume nonflat subrounded indurated 75-150-250 millimeter andesite fragments and 30 percent by volume nonflat subrounded indurated 2-35-75 millimeter andesite fragments; slightly acid, pH 6.4, bromthymol blue; gradual smooth boundary.; dry when described;

2Btq—115 to 201 centimeters (45.3 to 79.1 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 3/4), moist; extremely cobbly clay loam; 40 percent sand; 31 percent silt; 29 percent clay; moderate medium subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; few (0.1) very fine roots and few (0.1) medium roots and few (0.1) fine roots; few (0.5) very fine tubular and few (0.5) fine tubular pores; 10 percent distinct clay films on all faces of peds and 10 percent distinct clay films on rock fragments; 5 percent fine silica masses around rock fragments; 5 percent by volume nonflat subrounded indurated 250-425-600 millimeter andesite fragments and 20 percent by volume nonflat subrounded indurated 2-35-75 millimeter andesite fragments and 40 percent by volume nonflat subrounded indurated 75-150-250 millimeter andesite fragments; slightly acid, pH 6.4, bromthymol blue.