IDENTIFIERS

Current Taxon Name (Soil Name): Salmonfalls

OSD

Series Extent

User Site ID: S2007CA601838

User Pedon ID: S07CA023002

Vegetation Plot ID: S2007CA601838

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 08N0446

NCSS Pedon Lab Data NASIS Record ID - 24049

Print Date: 11/26/2024

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: 40.2134171

Std. Longitude: -123.9420242

Datum: WGS84

Location Description: Salmon Creek drainage

Map Unit: 722—Salmonfalls-Cedarflat complex, 5 to 50 percent slopes

State: California

County: CA023—Humboldt

MLRA: 5—Siskiyou-Trinity Area

Non-MLRA Soil Survey Area: CA601—Humboldt County, South Part, California

7.5 Minute USGS Quad: 40123-B8—Ettersburg, California

PEDON

Describers Name: Jennifer T. Berman

Current Taxonomic Class: Fine-loamy, magnesic, thermic Typic Haploxerolls

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 838

Sampled As Information:

Soil Name - Salmonfalls

Taxonomic Class - Fine-loamy, magnesic, thermic Typic Haploxerolls

PSC - 25 to 100 cm.

Classificaton Date - 4/4/2007

Soil Taxonomic Edition - tenth edition

Moisture Class - xeric

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: mountains

Landform: ridge

Geomorphic Component Mountains: mountainflank, upper third

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments: 5.00 percent nonflat subangular indurated 2- to 75-millimeter serpentinite, 1.00 percent nonflat subangular indurated 250- to 500-millimeter serpentinite, 2.00 percent nonflat subangular indurated 75- to 250-millimeter serpentinite,

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 4/4/2007 (actual site observation date)

Air Photo ID: 6246-149

Plant Association Name: grass-Jeffrey pine-incense cedar

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
CADE27 FEID MECA2 CEPR PIJE PLCA5 LACA7 DICA14	Calocedrus decurrens Festuca idahoensis Melica californica Ceanothus prostratus Pinus jeffreyi Platystemon californicus Lasthenia californica Dichelostemma capitatum	incense cedar Idaho fescue California melicgrass prostrate ceanothus Jeffrey pine creamcups California goldfields bluedicks	— — — — — — — —	— — — — — — — —	— — — — — — — —

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
densic material	weakly coherent	100 - 150	- 50 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon densic materials	0—33 100—150	—33— —50—

Site Soil Temperature
Site Obs. Date	Depth	Sensor Kind	Temperature
	cm		C
4/4/2007	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
19	—	—	707	—	150	1650	—	—	14	—	—	17	—	—	—	—	—	—	—

A1—0 to 10 centimeters (0.0 to 3.9 inches); brown (7.5YR 4/3) broken face, dark brown (7.5YR 3/3) broken face, moist; gravelly loam; 20 percent clay; moderate very fine granular, and moderate fine granular structure; moderately hard, friable, slightly sticky, slightly plastic; 5.0 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine tubular and 0.5 fine tubular pores; 2 percent fine distinct reticulate noncoherent cemented masses of oxidized iron; 5 percent by volume nonflat subangular strongly coherent cemented 75-100-250 millimeter serpentinite fragments and 15 percent by volume nonflat subangular strongly coherent cemented 2-20-75 millimeter serpentinite fragments; noneffervescent; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 08N02914; moist when described; observed in cut

A2—10 to 33 centimeters (3.9 to 13.0 inches); brown (7.5YR 4/4) broken face, dark brown (7.5YR 3/3) broken face, moist; gravelly loam; 22 percent clay; moderate fine subangular blocky parts to moderate very fine granular, and moderate fine subangular blocky parts to moderate fine granular structure; moderately hard, friable, slightly sticky, slightly plastic; 2.0 very fine roots throughout and 2.0 medium roots throughout and 3.0 fine roots throughout; 1.0 very fine tubular and 1.0 medium tubular and 0.5 fine tubular pores; 5 percent by volume nonflat subangular strongly coherent cemented 75-100-250 millimeter serpentinite fragments and 15 percent by volume nonflat subangular strongly coherent cemented 2-25-75 millimeter serpentinite fragments; noneffervescent; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 08N02915; moist when described; observed in cut

ABt—33 to 65 centimeters (13.0 to 25.6 inches); 75 percent brown (7.5YR 4/4) broken face and 25 percent light yellowish brown (2.5Y 6/3) broken face, 75 percent dark brown (7.5YR 3/3) broken face and 25 percent olive brown (2.5Y 4/3) broken face, moist; very paragravelly loam; 25 percent clay; 30 percent dark brown (7.5YR 3/4) medium irregular mottles; moderate fine subangular blocky structure; hard, firm, slightly sticky, moderately plastic; 0.5 very fine roots around fragments and 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 medium tubular and 0.5 fine tubular pores; 10 percent faint brown (7.5YR 4/4), moist, clay films on faces of peds; 55 percent by volume nonflat subangular moderately coherent cemented 2-25-75 millimeter serpentinite fragments; noneffervescent; neutral, pH 6.8, bromthymol blue; diffuse irregular boundary. Lab sample # 08N02916; moist when described; observed in cut. Clay films authigenic

BCt—65 to 100 centimeters (25.6 to 39.4 inches); light yellowish brown (2.5Y 6/4) broken face, olive brown (2.5Y 4/3) broken face, moist; very paragravelly loam; 17 percent clay; 30 percent dark brown (7.5YR 3/4) medium irregular mottles; weak fine subangular blocky structure; hard, firm, slightly sticky, slightly plastic; 0.5 very fine roots around fragments and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 10 percent prominent strong brown (7.5YR 4/6), moist, clay films on faces of peds; 40 percent by volume nonflat subangular weakly coherent cemented 2-25-75 millimeter serpentinite fragments; noneffervescent; neutral, pH 7.0, bromthymol blue; clear irregular boundary. Lab sample # 08N02917; moist when described; observed in cut

Cd—100 to 150 centimeters (39.4 to 59.1 inches); variegated 20 percent greenish gray (10Y 6/1) broken face and 80 percent pale olive (5Y 6/4) broken face, 20 percent dark greenish gray (10Y 4/1) broken face and 80 percent olive (5Y 4/3) broken face, moist; very paragravelly loam; 13 percent clay; 80 percent dark brown (7.5YR 3/4) medium irregular mottles; structureless massive; hard, firm, slightly sticky, nonplastic; 40 percent by volume nonflat subangular weakly coherent cemented 2-25-75 millimeter serpentinite fragments; noneffervescent; neutral, pH 7.0, bromthymol blue. Lab sample # 08N02918; moist when described; observed in cut