IDENTIFIERS

Current Taxon Name (Soil Name): Wukusick

OSD

Series Extent

User Site ID: 06-JCR-006

User Pedon ID: S2007CA109004

Vegetation Plot ID: 06-JCR-006

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - SSL

Lab Pedon # - 07N0473

NCSS Pedon Lab Data NASIS Record ID - 19076

Print Date: 9/24/2024

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: 37.9861374

Std. Longitude: -120.2356110

Datum: WGS84

Township: 2 N

Range: 16 E

Section: 32

PLSS Details: about 1,500 feet east and 1,900 feet south of the northeast corner

Location Description: about 1.5 miles north of Tuolumne City, California

Map Unit: 6038—Musick-Wukusick complex, 30 to 60 percent slopes, low precipitation

Country: US—United States

State: California

County: CA109—Tuolumne

MLRA: 18—Sierra Nevada Foothills

Non-MLRA Soil Survey Area: CA630—Central Sierra Foothills Area, California, Parts of Calaveras and Tuolumne Counties

7.5 Minute USGS Quad: 37120-H2—Tuolumne, California

PEDON

Describers Name: JCR and SMM

Current Taxonomic Class: Fine, mixed, subactive, mesic Ultic Palexeralfs

Current Taxon Kind: series

Pedon Type: OSD pedon

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Wukusick (flagged as OSD)

PSC - 45 to 95 cm.

Classificaton Date - 6/9/2017

Classifier - Andrew Brown

Soil Taxonomic Edition - twelfth edition

Moisture Subclass - typic

Sampled As Information:

Soil Name - Musick (fine)

Classificaton Date - 11/2/2006

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: colluvium derived from diorite over residuum weathered from mica schist

Landscape: hills

Landform: hillslope

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Slope Position: middle third

Slope Complexity: complex

Slope Shape Across: concave

Slope Shape Down: convex

Drainage Class: well

Bedrock: moderately coherent strong weathered granodiorite at 292cm with <10

Geology: Metamorphosed Granite member of the Granite formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/2/2006 (actual site observation date)

Air Photo ID: 1318

Plant Association Name: Sierran Mixed Conifer

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - intermixed conifers and hardwoods

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Current Air Temp - 14

Site Erosion Accelerated: water erosion rill

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ARCTO3 CADE27 CECU CHFO HEAR5 PIPO PISA2 QUKE QUWI2 TODI	Arctostaphylos Calocedrus decurrens Ceanothus cuneatus Chamaebatia foliolosa Heteromeles arbutifolia Pinus ponderosa Pinus sabiniana Quercus kelloggii Quercus wislizeni Toxicodendron diversilobum	manzanita incense cedar buckbrush mountain misery toyon ponderosa pine California foothill pine California black oak interior live oak Pacific poison oak	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	moderately coherent	292 - 317	- 25 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
umbric epipedon argillic horizon paralithic contact	6—45 45—292 292—317	—39— —247— —25—

Site Soil Temperature
Site Obs. Date	Depth	Sensor Kind	Temperature
	cm		C
11/2/2006	51	—	14

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
46	—	—	893	—	39	770	—	303	—	—	—	—	—	—	—	—	—	—	TAPS

Oi—0 to 6 centimeters (0.0 to 2.4 inches); slightly decomposed plant material; fragments. Lab sample # 07N03099; observed in pit, small

Oe—6 to 8 centimeters (2.4 to 3.1 inches); moderately decomposed plant material; fragments; abrupt smooth boundary. Lab sample # 07N03100; observed in pit, small

A1—8 to 12 centimeters (3.1 to 4.7 inches); brown (7.5YR 4/2), dark reddish brown (5YR 2.5/2), moist; sandy loam; 58 percent sand; 25 percent silt; 18 percent clay; strong medium granular structure; moderately hard, friable, nonsticky, nonplastic; 1.0 very fine roots throughout and 0.1 medium roots throughout and 1.0 fine roots throughout and 0.1 coarse roots throughout; 5.0 medium irregular and 5.0 fine irregular pores; 8 percent by volume nonflat subrounded indurated 2-20-76 millimeter diorite fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 07N03101; observed in pit, small

A2—12 to 25 centimeters (4.7 to 9.8 inches); brown (7.5YR 4/2), dark reddish brown (5YR 3/2), moist; stony sandy loam; 56 percent sand; 25 percent silt; 19 percent clay; moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 0.8 very fine roots throughout and 1.2 very coarse roots throughout and 1.2 medium roots throughout and 0.8 fine roots throughout and 1.2 coarse roots throughout; 5.0 very fine dendritic tubular and 5.0 medium tubular and 5.0 fine dendritic tubular pores; 2 percent by volume nonflat subangular indurated 76-125-250 millimeter diorite fragments and 8 percent by volume nonflat subrounded indurated 2-20-75 millimeter diorite fragments and 10 percent by volume nonflat subangular indurated 250-350-600 millimeter diorite fragments; 12 percent krotovinas (volume percent); noneffervescent, by hcl, 1n; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 07N03102; observed in pit, small

BE—25 to 45 centimeters (9.8 to 17.7 inches); brown (7.5YR 4/4), dark reddish brown (5YR 3/3), moist; stony sandy clay loam; 55 percent sand; 24 percent silt; 21 percent clay; moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 0.6 very fine roots throughout and 0.8 very coarse roots throughout and 0.8 medium roots throughout and 0.6 fine roots throughout and 0.8 coarse roots throughout; 1.0 very fine dendritic tubular and 3.0 medium tubular and 1.0 fine dendritic tubular pores; 10 percent distinct light brown (7.5YR 6/4), dry, silt coats on all faces of peds; 2 percent by volume nonflat subangular indurated 76-125-250 millimeter diorite fragments and 3 percent by volume nonflat subrounded indurated 2-20-75 millimeter diorite fragments and 12 percent by volume nonflat subangular indurated 250-350-600 millimeter diorite fragments; 12 percent krotovinas (volume percent); noneffervescent, by hcl, 1n; moderately acid, pH 5.9; clear wavy boundary. Lab sample # 07N03103; observed in pit, small. discontinuous - phpvsfiid 345173; discontinuous - phpvsfiid 345173

Bt1—45 to 88 centimeters (17.7 to 34.6 inches); yellowish red (5YR 4/6), red (2.5YR 4/6), moist; clay; 40 percent sand; 18 percent silt; 42 percent clay; moderate coarse subangular blocky structure; extremely hard, firm, slightly sticky, slightly plastic; 0.4 very fine roots throughout and 0.1 medium roots throughout and 0.4 fine roots throughout and 0.1 coarse roots throughout; 0.5 very fine dendritic tubular and 0.3 medium tubular and 0.5 fine dendritic tubular pores; 2 percent faint yellowish red (5YR 5/8), dry, clay films on all faces of peds and 5 percent faint light reddish brown (5YR 6/4), dry, silt coats on all faces of peds; fragments; noneffervescent, by hcl, 1n; moderately acid, pH 5.7; clear smooth boundary. Lab sample # 07N03104; observed in pit, small. patchy - phpvsfiid 345175; discontinuous - phpvsfiid 345174; patchy - phpvsfiid 345175; discontinuous - phpvsfiid 345174

Bt2—88 to 142 centimeters (34.6 to 55.9 inches); red (2.5YR 4/6), red (2.5YR 4/6), moist; clay; 38 percent sand; 19 percent silt; 43 percent clay; moderate very coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.3 very fine roots throughout and 0.3 fine roots throughout; 0.1 very fine dendritic tubular and 0.1 medium tubular and 0.1 fine dendritic tubular pores; 10 percent distinct red (2.5YR 5/8), dry, clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.4; gradual smooth boundary. Lab sample # 07N03105; observed in pit, small. discontinuous - phpvsfiid 345176; discontinuous - phpvsfiid 345176

Bt3—142 to 292 centimeters (55.9 to 115.0 inches); red (2.5YR 4/8), red (2.5YR 4/6), moist; clay loam; 44 percent sand; 23 percent silt; 33 percent clay; moderately hard, friable, slightly sticky, slightly plastic; 0.2 very fine roots throughout and 0.2 fine roots throughout; 0.1 very fine dendritic tubular and 0.1 fine dendritic tubular pores; 5 percent distinct red (2.5YR 5/8), dry, clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; strongly acid, pH 5.3. Lab sample # 07N03106; observed in pit, small. patchy - phpvsfiid 357258; patchy - phpvsfiid 357258

Cr—292 to 317 centimeters (115.0 to 124.8 inches); 60 percent reddish yellow (7.5YR 6/6) and 40 percent yellowish red (5YR 4/6), 60 percent red (2.5YR 4/8) and 40 percent yellowish red (5YR 5/6), moist; bedrock; fragments. Lab sample # 07N03107; observed in auger, bucket