IDENTIFIERS

Current Taxon Name (Soil Name): Los Banos

OSD

Series Extent

User Site ID: S1987CA019007

User Pedon ID: 87CA019007

Vegetation Plot ID: S1987CA019007

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 88P0269

NCSS Pedon Lab Data NASIS Record ID - 60390

Print Date: 4/18/2025

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: 36.7880554

Std. Longitude: -120.8130569

Datum: WGS84

Township: 13S

Range: 11E

Section: 19

PLSS Details: 1350 feet W and 1575 feet S of NE corner

Location Description: Laguna Seca Quad.

State: California

County: CA019—Fresno

MLRA: 17—Sacramento and San Joaquin Valleys

PEDON

Describers Name: Paris, Arroues, Nazar, Cook, Goss, Herriman

Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Typic Haploxeralfs

Current Taxon Kind: series

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 7

Correlated Information:

Soil Name - Los Banos

PSC - 22 to 72 cm.

Classificaton Date - 2/1/2010

Moisture Class - xeric

Sampled As Information:

Soil Name - Los Banos

Taxonomic Class - Fine, mixed, thermic Typic Haploxeralf

Taxon Kind - series

Classificaton Date - 11/1/1987

Moisture Class - xeric

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: intermontane basin

Landform: terrace—stream or lake

Slope Position: lower third

Slope Shape Down: linear

Runoff: low

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 11/1/1987 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
BRMO2 ERODI FEME	Bromus mollis Erodium Festuca megalura	— stork's bill annual fescue	— — —	— — —	— — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon	0—10 22—72	—- —-

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
3	—	—	250	—	135	20	—	—	17	—	—	18	—	—	—	—	—	—	—

1A1—0 to 3 centimeters (0.0 to 1.2 inches); brown (10YR 5/3) interior, dark brown (10YR 3/3) interior, moist; loam; strong very coarse platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots and 0.5 fine roots throughout; 5.5 very fine interstitial and 2.5 very fine tubular pores; fragments; slight effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 88P01406; moist when described;. many very fine roots; few fine roots throughout; effervescence is continuous

1A2—3 to 10 centimeters (1.2 to 3.9 inches); yellowish brown (10YR 5/4) interior, brown (7.5YR 4/4) interior, moist; clay loam; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 2.5 very fine roots and 0.5 fine roots; 5.5 very fine interstitial and 5.5 very fine tubular pores; fragments; strong effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 88P01407; moist when described;. common very fine roots; few fine roots; effervescence is continuous

1BA—10 to 22 centimeters (3.9 to 8.7 inches); yellowish brown (10YR 5/4) interior, brown (7.5YR 4/4) interior, moist; clay loam; moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; 2.5 very fine tubular and 0.5 fine and medium tubular pores; 2 percent faint clay bridges between sand grains; 1 percent fine irregular carbonate masses; fragments; strong effervescence, by hcl, unspecified; abrupt wavy boundary. Lab sample # 88P01408; dry when described;. Common very fine interstitial pores.; few fine soft masses of carbonate concentrations; very few clay bridging surface features between sand grains; common very fine roots; effervescence is continuous; patchy - phpvsfiid 232482; patchy - phpvsfiid 232482

1Btk1—22 to 38 centimeters (8.7 to 15.0 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; clay; moderate medium prismatic structure; slightly hard, friable, moderately sticky, moderately plastic; 2.5 very fine roots; 5.5 very fine tubular and 0.5 fine and medium tubular pores; 37 percent faint clay films on faces of peds and in pores; 11 percent fine irregular carbonate masses; fragments; strong effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 88P01409; dry when described;. Many very fine interstitial pores. Carbonates also occur as filaments.; common fine soft masses of carbonate concentrations; common clay films surface features on faces of peds and in pores; common very fine roots; effervescence is continuous; discontinuous - phpvsfiid 232483; discontinuous - phpvsfiid 232483

1Btk2—38 to 56 centimeters (15.0 to 22.0 inches); 50 percent yellowish brown (10YR 5/4) interior and 50 percent brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; clay; strong medium prismatic structure; hard, friable, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 5.5 very fine tubular and 0.5 fine and medium tubular pores; 2 percent distinct clay films in root channels and/or pores and 37 percent faint clay bridges between sand grains and 37 percent faint clay films in root channels and/or pores; 30 percent fine irregular carbonate masses; fragments; violent effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 88P01410; dry when described;. Many very fine interstitial pores. Carbonates also occur in seams and filaments. Krotovinas are present.; many fine soft masses of carbonate concentrations; common clay films surface features in root channels and/or pores; common clay bridging surface features between sand grains; very few clay films surface features in root channels and/or pores; few very fine and fine roots; effervescence is continuous; discontinuous - phpvsfiid 222822; discontinuous - phpvsfiid 222823; discontinuous - phpvsfiid 232484; discontinuous - phpvsfiid 222822; discontinuous - phpvsfiid 222823; discontinuous - phpvsfiid 232484

1Btk3—56 to 71 centimeters (22.0 to 28.0 inches); yellowish red (5YR 5/6) interior, yellowish red (5YR 4/6) interior, moist; clay loam; strong medium prismatic, and strong medium subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 5.5 very fine interstitial and 5.5 very fine tubular pores; 2 percent distinct clay films in root channels and/or pores and 37 percent faint clay films on faces of peds and 55 percent faint clay bridges between sand grains; 30 percent fine and medium irregular carbonate masses; fragments; violent effervescence, by hcl, unspecified; abrupt wavy boundary. Lab sample # 88P01411; dry when described;. Many thin clay films also occur in pores. Carbonate also occur in filaments. Common fine black (5YR 3/2 and 2/1) manganese stains.; many fine and medium soft masses of carbonate concentrations; many clay bridging surface features between sand grains; common clay films surface features on faces of peds; very few clay films surface features in root channels and/or pores; effervescence is continuous; continuous - phpvsfiid 222824; discontinuous - phpvsfiid 222825; discontinuous - phpvsfiid 222826; continuous - phpvsfiid 222824; discontinuous - phpvsfiid 222825; discontinuous - phpvsfiid 222826

1Btk4—71 to 118 centimeters (28.0 to 46.5 inches); brown (7.5YR 5/4) interior, brown (7.5YR 4/4) interior, moist; gravelly clay loam; moderate medium angular blocky structure; very hard, friable, moderately sticky, moderately plastic; 5.5 very fine tubular and 0.5 fine tubular pores; 15 percent distinct yellowish red (5YR 4/6) clay films in root channels and/or pores and 37 percent faint clay bridges between sand grains and 37 percent faint yellowish red (5YR 4/6) clay films in root channels and/or pores; 11 percent fine irregular carbonate masses; fragments; slight effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 88P01412; dry when described;. Common fine black (5YR 2/1, 2/1) manganese stains. Many very fine interstitial pores. Carbonate also occur as filaments. Krotovinas are present.; common fine soft masses of carbonate concentrations; common clay bridging surface features between sand grains; common clay films surface features in root channels and/or pores; few clay films surface features in root channels and/or pores; effervescence is discontinuous; discontinuous - phpvsfiid 222827; discontinuous - phpvsfiid 222828; discontinuous - phpvsfiid 222829; discontinuous - phpvsfiid 222827; discontinuous - phpvsfiid 222828; discontinuous - phpvsfiid 222829

2Btk5—118 to 143 centimeters (46.5 to 56.3 inches); 50 percent yellowish brown (10YR 5/4) interior and 30 percent brown (7.5YR 5/4) interior and 20 percent white (N 8/0) interior, 50 percent dark yellowish brown (10YR 4/4) interior and 30 percent brown (7.5YR 4/4) interior and 20 percent very pale brown (10YR 8/2) interior, moist; very gravelly clay; weak medium and coarse angular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 very fine interstitial and 2.5 very fine tubular pores; 15 percent distinct clay films in root channels and/or pores and 37 percent faint clay bridges between sand grains and 37 percent prominent black (5YR 2/1) manganese or iron-manganese stains in root channels and/or pores; 30 percent fine and medium irregular carbonate masses; fragments; violent effervescence, by hcl, unspecified; gradual irregular boundary. Lab sample # 88P01413; dry when described;. Stone layer on top of this horizon has pebbles and cobbles 5 to 10 cm in diameter. Carbonate also occur in filaments. Manganese is also (5YR 3/2) color.; many fine and medium soft masses of carbonate concentrations; common clay bridging surface features between sand grains; few clay films surface features in root channels and/or pores; common manganese or iron-manganese stains surface features in root channels and/or pores; effervescence is continuous; discontinuous - phpvsfiid 222830; discontinuous - phpvsfiid 222831; discontinuous - phpvsfiid 222832; discontinuous - phpvsfiid 222830; discontinuous - phpvsfiid 222831; discontinuous - phpvsfiid 222832

2Btdk—143 to 152 centimeters (56.3 to 59.8 inches); 50 percent very pale brown (10YR 8/2) interior and 50 percent pale brown (10YR 6/3) interior, 50 percent very pale brown (10YR 7/3) interior and 50 percent light yellowish brown (10YR 6/4) interior, moist; clay; massive; extremely hard; 0.5 very fine tubular pores; 15 percent distinct clay films in root channels and/or pores and 37 percent faint clay films in root channels and/or pores and 55 percent prominent black (5YR 2/1) manganese or iron-manganese stains throughout; 30 percent fine and medium irregular carbonate masses; fragments; violent effervescence, by hcl, unspecified. Lab sample # 88P01414; dry when described;. Carbonate also occur as filaments. Layer of stones are on top of this horizon. Manganese is also (5YR 3/2) color.; many fine and medium soft masses of carbonate concentrations; common clay films surface features in root channels and/or pores; few clay films surface features in root channels and/or pores; many manganese or iron-manganese stains surface features throughout; effervescence is continuous; discontinuous - phpvsfiid 222833; discontinuous - phpvsfiid 222834; discontinuous - phpvsfiid 222835; discontinuous - phpvsfiid 222833; discontinuous - phpvsfiid 222834; discontinuous - phpvsfiid 222835