IDENTIFIERS

Current Taxon Name (Soil Name): Redapple

OSD

Series Extent

User Site ID: S2007CA630SMM040

User Pedon ID: S07CA009004

Vegetation Plot ID: S2007CA630SMM040

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - SSL

Lab Pedon # - 08N0158

NCSS Pedon Lab Data NASIS Record ID - 19677

Print Date: 11/21/2024

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: 38.4326401

Std. Longitude: -120.4275284

Datum: WGS84

Township: 7 N

Range: 14 E

Section: 27

PLSS Details: about 285 feet east and 2055 feet south of the northwest corner section

Location Description: about 5.8 miles northeast of the community of West Point, California

Map Unit: 4040—Iron Mountain-Redapple-Devilsnose complex, 3 to 15 percent slopes

Country: US—United States

State: California

County: CA009—Calaveras

MLRA: 22A—Sierra Nevada and Tehachapi Mountains

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

7.5 Minute USGS Quad: 38120-D4—Devils Nose, California

PEDON

Describers Name: Sue Malone

Current Taxonomic Class: Fine, isotic, mesic Andic Palehumults

Current Taxon Kind: series

Pedon Type: OSD pedon

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Redapple (flagged as OSD)

PSC - 30 to 80 cm.

Classificaton Date - 2/5/2018

Classifier - Andrew Brown

Soil Taxonomic Edition - twelfth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - Andihasset

Classificaton Date - 10/16/2007

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: volcanic ash over weathered, consolidated colluvium derived from tuff breccia

Landscape: Sierra Nevada mountains

Landform: dissected tabular ridge on volcanic mudflow

Geomorphic Component Mountains: mountaintop

Hill Slope Profile: backslope

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: well

Geology: Mehrten Formation formation.

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/16/2007 (actual site observation date)

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 - overcast

Current Air Temp - 11

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
2GA ABCO ARCTO3 CADE27 CHFO PILA PIPO QUKE QUWI2	— Abies concolor Arctostaphylos Calocedrus decurrens Chamaebatia foliolosa Pinus lambertiana Pinus ponderosa Quercus kelloggii Quercus wislizeni	Grass, annual white fir manzanita incense cedar mountain misery sugar pine ponderosa pine California black oak interior live oak	— — — — — — — — —	— — — — — — — — —	— — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
umbric epipedon andic soil properties argillic horizon abrupt textural change	8—30 8—20 30—200 71—	—30— —12— —170— —-

Site Soil Temperature
Site Obs. Date	Depth	Sensor Kind	Temperature
	cm		C
10/16/2007	50	—	12

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
12	—	—	1300	—	270	1270	—	—	—	—	—	—	—	—	—	—	—	—	—

Oi—0 to 5 centimeters (0.0 to 2.0 inches); slightly decomposed plant material; fragments; abrupt smooth boundary.; observed in trench

Oe—5 to 8 centimeters (2.0 to 3.1 inches); moderately decomposed plant material; fragments; abrupt smooth boundary.; observed in trench

A1—8 to 20 centimeters (3.1 to 7.9 inches); very dark brown (7.5YR 2.5/2) broken face, brown (7.5YR 4/3) broken face, dry; medial loam; 42 percent sand; 38 percent silt; 20 percent clay; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 8.0 very fine roots throughout and 8.0 medium roots throughout and 8.0 fine roots throughout and 8.0 coarse roots throughout; 8.0 very fine interstitial and 8.0 fine interstitial pores; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.9, hellige-truog; clear smooth boundary.; dry when described; observed in trench

A2—20 to 30 centimeters (7.9 to 11.8 inches); very dark brown (7.5YR 2.5/3) broken face, strong brown (7.5YR 4/6) broken face, dry; medial loam; 40 percent sand; 38 percent silt; 22 percent clay; weak fine subangular blocky structure; soft, very friable, nonsticky, slightly plastic; slightly fluid; 3.0 very fine roots throughout and 8.0 medium roots throughout and 3.0 fine roots throughout and 8.0 coarse roots throughout; 8.0 very fine interstitial and 8.0 fine interstitial pores; 1 percent by volume nonflat 75-163-250 millimeter tuff breccia fragments observed by visual inspection method and 2 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.7, hellige-truog; abrupt smooth boundary.; dry when described; observed in trench

2Bt1—30 to 41 centimeters (11.8 to 16.1 inches); dark brown (7.5YR 3/4) broken face, brown (7.5YR 5/4) broken face, dry; clay loam; 34 percent sand; 39 percent silt; 27 percent clay; moderate coarse subangular blocky, and moderate medium subangular blocky structure; moderately hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 medium roots throughout and 3.0 fine roots throughout and 3.0 coarse roots throughout; 3.0 very fine irregular and 0.8 fine tubular and 3.0 fine irregular pores; 2 percent faint clay films on all faces of peds and 10 percent distinct light brown (7.5YR 6/4), dry, silt coats on all faces of peds; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.9, hellige-truog; clear wavy boundary.; dry when described; observed in trench

2BEt—41 to 71 centimeters (16.1 to 28.0 inches); 50 percent reddish brown (5YR 4/4) broken face and 50 percent yellowish red (5YR 4/6) broken face, 50 percent yellowish red (5YR 5/6) broken face and 50 percent light brown (7.5YR 6/4) broken face, dry; clay loam; 27 percent sand; 30 percent silt; 33 percent clay; strong coarse subangular blocky parts to strong medium subangular blocky structure; moderately hard, firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout and 0.8 coarse roots throughout; 3.0 very fine irregular and 0.8 medium tubular and 3.0 fine irregular and 0.8 fine tubular pores; 10 percent prominent yellowish red (5YR 4/6), dry, clay films on all faces of peds and 10 percent prominent yellowish red (5YR 4/6), dry, clay films on surfaces along pores and 30 percent distinct pink (7.5YR 7/4), dry, silt coats on all faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary.; dry when described; observed in trench

3Bt2—71 to 119 centimeters (28.0 to 46.9 inches); yellowish red (5YR 4/6) crushed, yellowish red (5YR 5/8) broken face, dry; clay; 11 percent sand; 39 percent silt; 59 percent clay; strong coarse subangular blocky parts to strong medium subangular blocky structure; very hard, firm, very sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout; 0.8 very fine irregular and 0.8 fine tubular and 0.8 fine irregular pores; 45 percent prominent red (2.5YR 4/6), dry, clay films on all faces of peds and 45 percent prominent red (2.5YR 4/6), dry, clay films on surfaces along pores; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.9, hellige-truog; gradual wavy boundary.; observed in trench

3Bt3—119 to 150 centimeters (46.9 to 59.1 inches); yellowish red (5YR 4/6) broken face, yellowish red (5YR 5/8) broken face, dry; clay; 12 percent sand; 37 percent silt; 51 percent clay; strong coarse subangular blocky parts to strong medium subangular blocky structure; very hard, friable, very sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 medium roots throughout and 0.8 fine roots throughout; 0.8 very fine irregular and 0.8 very fine tubular pores; 35 percent prominent red (2.5YR 5/8), dry, clay films on all faces of peds and 35 percent prominent red (2.5YR 5/8), dry, clay films on surfaces along pores; 2 percent by volume nonflat subrounded very strongly coherent cemented 2-39-75 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.8, hellige-truog; gradual wavy boundary.; observed in trench

3Bt4—150 to 173 centimeters (59.1 to 68.1 inches); yellowish red (5YR 5/6) broken face, reddish yellow (5YR 6/6) broken face, dry; clay; 13 percent sand; 40 percent silt; 47 percent clay; strong coarse subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.3 medium roots throughout and 0.8 fine roots throughout; 0.8 very fine tubular and 0.8 very fine irregular pores; 20 percent distinct yellowish red (5YR 5/8), dry, clay films on all faces of peds and 20 percent distinct yellowish red (5YR 5/8), dry, clay films on surfaces along pores; 1 percent very fine manganese masses on faces of peds; 1 percent by volume nonflat subrounded moderately coherent cemented 2-3-5 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.9, hellige-truog; gradual wavy boundary.; observed in trench

3Bt5—173 to 216 centimeters (68.1 to 85.0 inches); 50 percent yellowish red (5YR 5/6) broken face and 50 percent yellowish red (5YR 4/6) broken face, yellowish red (5YR 5/6) broken face, dry; paragravelly clay; 12 percent sand; 39 percent silt; 49 percent clay; moderate coarse subangular blocky structure; hard, very firm, moderately sticky, moderately plastic; 0.8 very fine roots throughout and 0.8 fine roots throughout; 0.8 very fine irregular pores; 10 percent prominent red (2.5YR 4/8), dry, clay films on all faces of peds and 10 percent prominent red (2.5YR 4/8), dry, clay films on surfaces along pores; 15 percent by volume nonflat subrounded moderately coherent cemented 2-3-5 millimeter tuff breccia fragments observed by visual inspection method; moderately acid, pH 5.7, hellige-truog.; observed in trench