IDENTIFIERS

Current Taxon Name (Soil Name): Sancarlos

OSD

Series Extent

User Site ID: S2009CA069001

User Pedon ID: S09CA069001

Vegetation Plot ID: S2009CA069001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 09N0920

NCSS Pedon Lab Data NASIS Record ID - 24643

Print Date: 2/17/2025

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: 36.3609428

Std. Longitude: -120.7624130

Datum: WGS84

Township: 18 S

Range: 11 E

Section: 15

PLSS Details: 2,200 feet (670.6 meters) north and 500 feet (152.4 meters) east of the southwest corner

Location Description: About 1.5 miles (2.7 kilometers) east from Coalinga Road on Clear Creek Managment Area route (R1) to Oak Flat Campground. About 170 feet (51.8 meters) upslope from the middle of the west end of the campground and about 25 feet (7.6 meters downslope from the established RV trail.

Country: US—United States

State: California

County: CA069—San Benito

MLRA: 15—Central California Coast Range

Regional Office: SW—Southwest

MLRA Soil Survey Area: SW-TEM—Templeton, California

Non-MLRA Soil Survey Area: CA069—San Benito County, California

7.5 Minute USGS Quad: 36120-C7—Hepsedam Peak, California

PEDON

Describers Name: Bry Schmidt and Kerry Arroues

Current Taxonomic Class: Fine, mixed, superactive, mesic Mollic Haploxeralfs

Current Taxon Kind: series

Pedon Type: TUD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 1

Correlated Information:

Soil Name - Sancarlos

PSC - 69 to 79 cm.

Classificaton Date - 1/14/2010

Soil Taxonomic Edition - tenth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - Sancarlos

Taxonomic Class - Fine, mixed, superactive, mesic Mollic Haploxeralf

Taxon Kind - series

Classificaton Date - 4/1/2009

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: hills

Landform: hillslope

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Drainage Class: well

Bedrock: siltstone, unspecified

Geology: Kp;panoche Formation/claystone formation.

Surface Fragments: 35.00 percent nonflat subangular very strongly coherent cemented 2- to 75-millimeter mixed, 1.00 percent nonflat subangular very strongly coherent cemented 250- to 600-millimeter mixed, 5.00 percent nonflat subangular very strongly coherent cemented 75- to 250-millimeter mixed,

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 4/1/2009 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - other grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Current Weather - sunny

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
AMSIN BRDI3 BRHO2 CAAP4 CECU CEMO2 CLPE ERLI6 HEMIZ JUCA7 PISA2 POSA12 QUDO QUVI	Amsinckia Bromus diandrus Bromus hordeaceus Castilleja applegatei Ceanothus cuneatus Cercocarpus montanus Claytonia perfoliata Ericameria linearifolia Hemizonia Juniperus californica Pinus sabiniana Poa sandbergii Quercus douglasii Quercus virginiana	fiddleneck ripgut brome soft brome wavyleaf Indian paintbrush buckbrush alderleaf mountain mahogany miner's lettuce narrowleaf goldenbush tarweed California juniper California foothill pine — blue oak live oak	— — — — — — — — — — — — — —	— — — — — — — — — — — — — —	— — — — — — — — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic	very weakly coherent	132 - 157	- 25 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon paralithic contact	0—23 69—79 132—157	—23— —10— —25—

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
56	—	—	812.6	—	65	—	—	—	—	—	—	—	—	—	—	—	—	—	—

A1—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3) broken face, dark brown (10YR 3/3) broken face, moist; loam; 24 percent clay; moderate very fine granular structure; soft, very friable, slightly sticky, slightly plastic; moderate permeability; low excavation difficulty; 10.0 very fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 10 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter siltstone, unspecified fragments; slightly alkaline, pH 7.5, pH meter; abrupt smooth boundary. Lab sample # 09N03358; slightly dry when described; observed in pit, small

A2—10 to 23 centimeters (3.9 to 9.1 inches); brown (10YR 4/3) broken face, dark yellowish brown (10YR 3/4) broken face, moist; clay loam; 38 percent clay; moderate fine subangular blocky structure; soft, very friable, moderately sticky, moderately plastic; slow permeability; low excavation difficulty; 10.0 very fine roots throughout and 1.0 medium roots throughout; 3.0 very fine tubular pores; 5 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter siltstone, unspecified fragments; slightly alkaline, pH 7.5, pH meter; clear wavy boundary. Lab sample # 09N03359; moist when described; observed in pit, small

Bt1—23 to 44 centimeters (9.1 to 17.3 inches); dark yellowish brown (10YR 4/4) broken face, brown (10YR 4/3) broken face, moist; gravelly clay; 41 percent clay; moderate fine subangular blocky structure; slightly hard, friable, moderately sticky, very plastic; slow permeability; moderate excavation difficulty; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular and 1.0 fine tubular pores; 10 percent faint clay films on all faces of peds and 10 percent faint clay films on surfaces along pores; 15 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter siltstone, unspecified fragments; slightly acid, pH 6.3, pH meter; clear wavy boundary. Lab sample # 09N03360; moist when described; observed in pit, small. discontinuous - phpvsfiid 462561; discontinuous - phpvsfiid 462562; discontinuous - phpvsfiid 462561; discontinuous - phpvsfiid 462562

Bt2—44 to 69 centimeters (17.3 to 27.2 inches); brown (10YR 4/3) broken face, dark yellowish brown (10YR 4/4) broken face, moist; gravelly clay; 42 percent clay; moderate medium subangular blocky structure; hard, firm, moderately sticky, very plastic; slow permeability; moderate excavation difficulty; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular and 1.0 fine tubular pores; 15 percent faint clay films on surfaces along pores and 15 percent faint clay films on all faces of peds; 5 percent by volume flat well rounded very strongly coherent cemented 2-76-150 millimeter siltstone, unspecified fragments and 15 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter siltstone, unspecified fragments; slightly acid, pH 6.3, pH meter; clear wavy boundary. Lab sample # 09N03361; moist when described; observed in pit, small. discontinuous - phpvsfiid 462559; discontinuous - phpvsfiid 462560; discontinuous - phpvsfiid 462559; discontinuous - phpvsfiid 462560

Bt3—69 to 79 centimeters (27.2 to 31.1 inches); brown (10YR 4/3) broken face, dark yellowish brown (10YR 4/4) broken face, moist; gravelly clay; 47 percent clay; moderate coarse subangular blocky structure; hard, firm, very sticky, very plastic; slow permeability; moderate excavation difficulty; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular pores; 7 percent faint clay films on surfaces along pores and 8 percent faint clay films on all faces of peds; 5 percent by volume flat well rounded very strongly coherent cemented 2-76-150 millimeter siltstone, unspecified fragments and 25 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter siltstone, unspecified fragments; moderately acid, pH 6.0, pH meter; abrupt smooth boundary. Lab sample # 09N03362; moist when described; observed in pit, small. discontinuous - phpvsfiid 462557; discontinuous - phpvsfiid 462558; discontinuous - phpvsfiid 462557; discontinuous - phpvsfiid 462558

Bt4—79 to 132 centimeters (31.1 to 52.0 inches); brown (10YR 4/3) broken face, dark yellowish brown (10YR 4/4) broken face, moist; very gravelly clay; 41 percent clay; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, very plastic; slow permeability; moderate excavation difficulty; 1.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout and 1.0 coarse roots throughout; 1.0 very fine tubular and 1.0 fine tubular pores; 7 percent faint clay films on surfaces along pores and 8 percent faint clay films on all faces of peds; 2 percent by volume flat well rounded very strongly coherent cemented 150-265-380 millimeter siltstone, unspecified fragments and 25 percent by volume flat well rounded very strongly coherent cemented 2-76-150 millimeter siltstone, unspecified fragments and 40 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter siltstone, unspecified fragments; moderately acid, pH 6.0, pH meter; abrupt smooth boundary. Lab sample # 09N03363; moist when described; observed in pit, small. discontinuous - phpvsfiid 462555; discontinuous - phpvsfiid 462556; discontinuous - phpvsfiid 462555; discontinuous - phpvsfiid 462556

Cr—132 to 157 centimeters (52.0 to 61.8 inches); weathered bedrock; silica present; very slow permeability; high excavation difficulty; fragments, pH meter. Lab sample # 09N03364; observed in pit, small