IDENTIFIERS

Current Taxon Name (Soil Name): Lamath

OSD

Series Extent

User Site ID: S1980CA093019

User Pedon ID: 80CA093019

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 80P0462

NCSS Pedon Lab Data NASIS Record ID - 48238

Print Date: 2/16/2025

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: 41.9692879

Std. Longitude: -121.7533188

Datum: WGS84

Township: 48N

Range: 2E

Section: 28

PLSS Details: 438 meters N and 949 meters W of the SE corner

Location Description: Lower Klameth Wildlife Refuge

State: California

County: CA093—Siskiyou

MLRA: 21—Klamath and Shasta Valleys and Basins

PEDON

Describers Name: JJJ/TAC/TDC/OWB

Current Taxonomic Class: Medial over sandy or sandy-skeletal, mixed, calcareous, mesic Aeric Endoaquepts

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 19

Correlated Information:

Soil Name - Lamath

Classificaton Date - 7/11/2007

Moisture Class - aquic

Moisture Subclass - aeric

Sampled As Information:

Soil Name - Lamath

Taxonomic Class - Medial over sandy or sandy-skeletal, mixed, calcar

Taxon Kind - series

Classificaton Date - 8/1/1980

Moisture Class - aquic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: intermontane basin

Runoff: medium

Drainage Class: poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/1/1980 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

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
—	—	—	1245	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

1A—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1) interior, gray (10YR 5/1) interior, dry; silt loam; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots; 5.5 very fine interstitial pores; fragments; slight effervescence; moderately alkaline, pH 8.4, hellige-truog; clear wavy boundary. Lab sample # 80P02556. many very fine and fine roots

1Bw1—10 to 33 centimeters (3.9 to 13.0 inches); grayish brown (10YR 5/2) interior, light gray (10YR 7/2) interior, dry; silt loam; moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 5.5 very fine roots and 2.5 medium roots; 5.5 very fine interstitial and 0.5 fine tubular pores; fragments; slight effervescence; moderately alkaline, pH 8.4, hellige-truog; abrupt smooth boundary. Lab sample # 80P02557. many very fine roots; common medium roots

1Bw2—33 to 53 centimeters (13.0 to 20.9 inches); grayish brown (10YR 5/2) interior, light gray (10YR 7/2) interior, dry; silt loam; 1 percent yellowish brown (10YR 5/8) medium distinct mottles; weak medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine roots and 2.5 medium roots; 2.5 very fine tubular and 5.5 very fine interstitial pores; fragments; slight effervescence; moderately alkaline, pH 8.4, hellige-truog; abrupt smooth boundary. Lab sample # 80P02558. many very fine roots; common medium roots; few medium distinct 10YR58 mottles

2C1—53 to 71 centimeters (20.9 to 28.0 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; sand; 30 percent yellowish brown (10YR 5/8) medium distinct mottles; single grain; loose, nonsticky, nonplastic; 5.5 very fine roots and 2.5 medium roots; 5.5 very fine interstitial pores; fragments; slight effervescence; moderately alkaline, pH 8.4, hellige-truog; clear smooth boundary. Lab sample # 80P02559. many very fine roots; common medium roots; many medium distinct 10YR58 mottles

2C2—70 to 94 centimeters (27.6 to 37.0 inches); dark grayish brown (2.5Y 4/2) interior, light brownish gray (2.5Y 6/2) interior, dry; sand; 30 percent yellowish brown (10YR 5/8) medium distinct mottles; single grain; loose, nonsticky, nonplastic; 5.5 very fine interstitial pores; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 80P02560. many medium distinct 10YR58 mottles

2C3—94 to 112 centimeters (37.0 to 44.1 inches); dark grayish brown (10YR 4/2) interior, grayish brown (10YR 5/2) interior, dry; loamy sand; 11 percent yellowish brown (10YR 5/8) medium distinct mottles; massive; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine interstitial pores; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 80P02561. 37 to 44 inch layer has sand lenses throughout.; common medium distinct 10YR58 mottles

2C4—112 to 134 centimeters (44.1 to 52.8 inches); very dark gray (10YR 3/1) interior, gray (10YR 6/1) interior, dry; sand; massive; soft, very friable, nonsticky, nonplastic; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 80P02562

2C5—134 to 140 centimeters (52.8 to 55.1 inches); gray (10YR 5/1) interior and grayish brown (10YR 5/2) interior, light gray (10YR 7/1) interior and light gray (10YR 7/2) interior, dry; loam; massive; hard, firm, slightly sticky, moderately plastic; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 80P02563

2C6—140 to 152 centimeters (55.1 to 59.8 inches); very dark gray (10YR 3/1) interior, gray (10YR 6/1) interior, dry; sand; massive; soft, very friable, nonsticky, nonplastic; fragments; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Not sampled.