IDENTIFIERS
Current Taxon Name (Soil Name):
Coolyork
OSD
Series Extent
User Site ID:
03CA601151
User Pedon ID:
03CA601151
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
NSSL
Lab Pedon # -
03N0875
NCSS Pedon Lab Data NASIS Record ID -
16288
Print Date:
11/11/2024
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:
40.1191667
Std. Longitude:
-123.7763889
Datum:
WGS84
Location Description:
Soil is north of house of Tony Lewis, on Jhonson property, off of Quarry Rd., above Garberville.
Map Unit:
451—Burgsblock-Coolyork-Tannin complex, 15 to 30 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-A7—Garberville, California
PEDON
Describers Name:
Jonathan W. Hooper
Current Taxonomic Class:
Fine, mixed, superactive, mesic Oxyaquic Argixerolls
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Pedon #:
151
Correlated Information:
Soil Name -
Coolyork (flagged as OSD)
PSC -
10 to 60 cm.
Classificaton Date -
4/1/2013
Classifier -
Jonathan Hooper
Soil Taxonomic Edition -
eleventh edition
Moisture Class -
xeric
Moisture Subclass -
typic
Sampled As Information:
Soil Name -
Coolyork
Classificaton Date -
6/4/2003
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
Landscape:
mountains
Landform:
mountain slope
Geomorphic Component Mountains:
mountainflank, center third
Slope Complexity:
complex
Slope Shape Across:
convex
Slope Shape Down:
linear
Runoff:
very high
Drainage Class:
moderately well
Flooding:
none flooding
Geology:
Franciscan Complex formation.
Surface Fragments:
20.00 percent subangular indurated 5- to 30-millimeter chert, 1.00 percent subangular indurated 72- to 150-millimeter chert,
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/4/2003 (actual site observation date)
Air Photo ID:
6248-115
Plant Association Name:
Douglas fir, mixed hardwood
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
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
25
—
—
370
—
230
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (2.5Y 5/2) broken face, very dark grayish brown (2.5Y 3/2) crushed, moist; loam; 24 percent clay; strong medium granular structure; moderately hard, very friable, slightly sticky, slightly plastic; low excavation difficulty; 3.0 very fine roots throughout; 7 percent by volume angular 2-10-25 millimeter sandstone, unspecified fragments; slightly acid, pH 6.3, chlorophenol red; abrupt smooth boundary.; observed in pit, small
ABt—10 to 36 centimeters (3.9 to 14.2 inches); grayish brown (2.5Y 5/2) broken face, very dark grayish brown (2.5Y 3/2) crushed, moist; silty clay loam; 28 percent clay; moderate medium subangular blocky structure; hard, firm, slightly sticky, moderately plastic; low excavation difficulty; 2.0 very fine roots throughout and 2.0 fine roots throughout; 1.0 very fine low-continuity tubular pores; 3 percent by volume angular 2-10-25 millimeter sandstone, unspecified fragments; moderately acid, pH 6.0; abrupt smooth boundary.; observed in pit, small
Bt1—36 to 58 centimeters (14.2 to 22.8 inches); grayish brown (2.5Y 5/2) broken face, olive gray (5Y 4/2) crushed, moist; clay; 38 percent clay; weak very coarse prismatic parts to weak medium subangular blocky structure; extremely hard, firm, moderately sticky, very plastic; high excavation difficulty; 2.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 1.0 very fine low-continuity tubular pores; 3 percent by volume angular 2-10-25 millimeter sandstone, unspecified fragments; moderately acid, pH 5.7; clear wavy boundary.; observed in pit, small
Bt2—58 to 108 centimeters (22.8 to 42.5 inches); light brownish gray (2.5Y 6/2) broken face, dark gray (5Y 4/1) crushed, moist; clay; 36 percent clay; extremely hard, firm, moderately sticky, very plastic; very high excavation difficulty; 0.5 very fine roots throughout and 0.5 medium roots throughout; 0.5 very fine low-continuity tubular pores; 1 percent coarse distinct olive brown (2.5Y 4/3), moist, iron-manganese masses with clear boundaries throughout; 12 percent by volume angular 2-10-25 millimeter sandstone, unspecified fragments; slightly acid, pH 6.2; clear wavy boundary.; observed in pit, small
C1—108 to 140 centimeters (42.5 to 55.1 inches); light brownish gray (2.5Y 6/2) broken face, dark gray (5Y 4/1) crushed, moist; clay; 24 percent clay; extremely hard, firm, moderately sticky, very plastic; very high excavation difficulty; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1 percent coarse distinct olive brown (2.5Y 4/3), moist, iron-manganese masses with clear boundaries throughout; 16 percent by volume angular indurated 2-10-25 millimeter chert fragments; slightly alkaline, pH 7.5; clear wavy boundary.; observed in pit, small
C2—140 to 180 centimeters (55.1 to 70.9 inches); grayish brown (2.5Y 5/2) broken face, dark gray (5Y 4/1) crushed, moist; clay; 23 percent clay; extremely hard, firm, moderately sticky, very plastic; very high excavation difficulty; 0.5 medium roots throughout; 2 percent by volume angular indurated 72-100-180 millimeter chert fragments and 10 percent by volume angular moderately cemented cemented 5-15-25 millimeter sandstone, unspecified fragments and 20 percent by volume angular indurated 2-10-25 millimeter chert fragments; very slight effervescence; moderately alkaline, pH 8.0.; observed in pit, small