IDENTIFIERS

Current Taxon Name (Soil Name): Canoecreek

OSD

Series Extent

User Site ID: 05CA601457

User Pedon ID: 05CA601457

Vegetation Plot ID: 05CA601457

Lab Information:

Certified Lab Pedon Description - yes

Lab Pedon # - 08N0574

NCSS Pedon Lab Data NASIS Record ID - 20262

Print Date: 12/11/2024

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: 40.3119444

Std. Longitude: -124.0066667

Datum: WGS84

Location Description: Humboldt Redwoods State Park, Squaw Creek Ridge Road

Map Unit: 572—Canoecreek-Sproulish-Redwohly complex, 50 to 75 percent slopes

State: California

County: CA023—Humboldt

MLRA: 4B—Coastal Redwood Belt

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

7.5 Minute USGS Quad: 40124-C1—Bull Creek, California

PEDON

Describers Name: Jennifer Berman

Current Taxonomic Class: Loamy-skeletal, isotic, isomesic Andic Haplustepts

Current Taxon Kind: series

Pedon Type: OSD pedon

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Pedon #: 457

Correlated Information:

Soil Name - Canoecreek (flagged as OSD)

PSC - 25 to 100 cm.

Classificaton Date - 5/4/2016

Classifier - Sue Aszman

Soil Taxonomic Edition - twelfth edition

Moisture Subclass - typic

Sampled As Information:

Soil Name - Canoecreek

Classificaton Date - 6/21/2005

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: colluvium derived from sandstone and/or colluvium derived from conglomerate and/or residuum weathered from mudstone and/or residuum weathered from conglomerate

Landscape: mountains

Landform: mountain slope

Geomorphic Component Hills: side slope

Geomorphic Component Mountains: mountainflank, upper third

Slope Complexity: complex

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Geology: Yager Terrane formation of the Franciscan Complex group.

Surface Fragments: 10.00 percent nonflat subangular strongly coherent cemented 2- to 75-millimeter sandstone, unspecified, 10.00 percent nonflat rounded indurated 2- to 75-millimeter conglomerate, unspecified, 1.00 percent nonflat subangular strongly coherent cemented 250- to 600-millimeter sandstone, unspecified, 1.00 percent nonflat subangular strongly coherent cemented 75- to 250-millimeter sandstone, unspecified,

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/21/2005 (actual site observation date)

Air Photo ID: 6246-172

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

Site Erosion Accelerated: water erosion sheet

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ARME LIDE3 PSME SESE3 VAOV2	Arbutus menziesii Lithocarpus densiflorus Pseudotsuga menziesii Sequoia sempervirens Vaccinium ovatum	Pacific madrone tanoak Douglas-fir redwood California huckleberry	— — — — —	— — — — —	— — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon cambic horizon	0—23 23—180	—33— —157—

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
63	—	—	580	—	72	2160	—	260	11	—	—	10	—	—	—	—	—	—	—

Oi—0 to 2 centimeters (0.0 to 0.8 inches); variegated 75 percent very dark brown (7.5YR 2.5/2) and 25 percent pinkish gray (7.5YR 6/2), black (7.5YR 2.5/1) rubbed, moist; moderately decomposed plant material; very rapid permeability; 0.5 very fine tubular pores; fragments; noneffervescent; moderately acid, pH 6.0; abrupt wavy boundary.; moist when described; observed in cut

A—2 to 23 centimeters (0.8 to 9.1 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; very gravelly loam; 15 percent clay; moderate very fine granular, and moderate fine granular structure; slightly hard, very friable, nonsticky, nonplastic; moderate permeability; 3.0 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 0.5 coarse roots throughout; 0.5 medium tubular and 0.5 coarse tubular pores; 25 percent by volume subangular strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments and 25 percent by volume rounded indurated 2-20-75 millimeter conglomerate, unspecified fragments; noneffervescent; moderately acid, pH 6.0; clear wavy boundary.; moist when described; observed in cut

AB—23 to 45 centimeters (9.1 to 17.7 inches); pale brown (10YR 6/3), dark brown (10YR 3/3), moist; very gravelly loam; 15 percent clay; moderate very fine granular, and moderate fine granular structure; slightly hard, very friable, nonsticky, nonplastic; moderate permeability; 3.0 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 3.0 coarse roots throughout; 0.5 very fine tubular and 0.5 medium tubular and 0.5 fine tubular and 0.5 coarse tubular pores; 25 percent by volume subangular strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments and 25 percent by volume rounded indurated 2-20-75 millimeter conglomerate, unspecified fragments; noneffervescent; moderately acid, pH 6.0; clear wavy boundary.; moist when described; observed in cut

Bt1—45 to 90 centimeters (17.7 to 35.4 inches); light yellowish brown (10YR 6/4), dark brown (10YR 3/3), moist; very gravelly loam; 20 percent clay; moderate very fine granular, and moderate fine granular structure; moderately hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 3.0 coarse roots throughout; 0.5 very fine tubular and 0.5 medium tubular and 0.5 fine tubular and 0.5 coarse tubular pores; 5 percent faint clay films on all faces of peds; 25 percent by volume subangular strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments and 25 percent by volume rounded indurated 2-20-75 millimeter conglomerate, unspecified fragments; noneffervescent; slightly acid, pH 6.2; diffuse wavy boundary.; moist when described; observed in cut

Bt2—90 to 135 centimeters (35.4 to 53.1 inches); very pale brown (10YR 7/3), brown (10YR 4/3), moist; very gravelly loam; 20 percent clay; weak fine subangular blocky parts to moderate very fine granular, and weak medium subangular blocky parts to moderate very fine granular, and weak fine subangular blocky parts to moderate fine granular, and weak medium subangular blocky parts to moderate fine granular structure; moderately hard, friable, slightly sticky, slightly plastic; moderate permeability; 1.0 very fine roots throughout and 3.0 medium roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 0.5 very fine tubular and 1.0 fine tubular pores; 15 percent faint clay films on rock fragments and 15 percent faint clay films on all faces of peds; 5 percent by volume subangular strongly coherent cemented 75-100-250 millimeter mudstone fragments and 10 percent by volume rounded indurated 2-20-75 millimeter conglomerate, unspecified fragments and 40 percent by volume subangular strongly coherent cemented 2-20-75 millimeter mudstone fragments; noneffervescent; moderately acid, pH 5.8; gradual wavy boundary.; moist when described; observed in cut

BCt—135 to 200 centimeters (53.1 to 78.7 inches); very pale brown (10YR 7/3), brown (10YR 4/3), moist; extremely gravelly loam; 18 percent clay; moderate very fine granular, and moderate fine granular structure; moderately hard, friable, slightly sticky, slightly plastic; moderate permeability; 0.5 very fine roots throughout and 1.0 medium roots throughout and 0.5 fine roots throughout and 1.0 coarse roots throughout; 20 percent faint clay films on rock fragments and 20 percent faint clay films on all faces of peds; 10 percent by volume rounded indurated 2-20-75 millimeter conglomerate, unspecified fragments and 10 percent by volume subangular strongly coherent cemented 75-100-250 millimeter mudstone fragments and 60 percent by volume subangular strongly coherent cemented 2-20-75 millimeter mudstone fragments; noneffervescent; moderately acid, pH 5.8.; moist when described; observed in cut