IDENTIFIERS
Current Taxon Name (Soil Name):
Coppercreek
OSD
Series Extent
User Site ID:
S1982CA023001
User Pedon ID:
82CA023001
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
85P0452
NCSS Pedon Lab Data NASIS Record ID -
56168
Print Date:
4/28/2025
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:
41.2123299
Std. Longitude:
-123.9694748
Datum:
WGS84
Township:
10N
Range:
2E
Section:
32
PLSS Details:
Bankcut on skidroad between W-line and C-30 Rds 600 feet N of W-line/C-30 junction
State:
California
County:
CA023—Humboldt
MLRA:
4B—Coastal Redwood Belt
PEDON
Describers Name:
Jim Popenoe
Current Taxonomic Class:
Fine-loamy, mixed, active, isomesic Typic Haplohumults
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
1
Correlated Information:
Soil Name -
Coppercreek
Classificaton Date -
7/11/2007
Sampled As Information:
Soil Name -
Coppercreek
Taxonomic Class -
Fine-loamy, mixed, isomesic Typic Humitropept
Taxon Kind -
series
Classificaton Date -
2/1/1982
Moisture Class -
udic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Runoff:
low
Drainage Class:
well
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
2/1/1982 (actual site observation date)
Surface Cover Properties:
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
40
—
—
1600
—
270
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O—0 to 3 centimeters (0.0 to 1.2 inches); partially decomposed organic matter; fragments. Fresh and decomposing tanoak leaves and redwood needles. Sidecast subsoil and cobbles present overlying and mixed with O horizon above part of profile.
A1—3 to 21 centimeters (1.2 to 8.3 inches); brown (10YR 5/3) interior, brown (10YR 5/3) interior, dry; loam; 24 percent clay; moderate fine subangular blocky, and moderate fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 0.5 medium roots; 2.5 very fine and fine tubular and 2.5 very fine interstitial pores; fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary. 10% gravel.; common very fine and fine roots; few medium roots
AB—21 to 26 centimeters (8.3 to 10.2 inches); dark brown (10YR 3/3) interior, pale brown (10YR 6/3) interior, dry; clay loam; 28 percent clay; weak medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 2.5 very fine and fine tubular and 2.5 very fine and fine interstitial pores; fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. 10% gravel. Horizon has an old root channel or krotovina 15 cm across.; common very fine and fine roots; common medium and coarse roots
Bw—26 to 86 centimeters (10.2 to 33.9 inches); dark yellowish brown (10YR 4/4) interior, brownish yellow (10YR 6/6) interior, dry; cobbly clay loam; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 0.5 very fine and fine tubular and 0.5 medium and coarse tubular pores; 15 percent by volume 2-39-75 millimeter mixed fragments; moderately acid, pH 5.6, hellige-truog; clear wavy boundary. Lab sample # 85P02205. 15% gravel. 22% clay according to O.S.U. lab.; common very fine and fine roots; common medium and coarse roots
2C1—86 to 128 centimeters (33.9 to 50.4 inches); light olive brown (2.5Y 5/4) interior, pale yellow (2.5Y 7/4) interior, dry; clay loam; 30 percent clay; massive; slightly hard, firm, moderately sticky, slightly plastic; 0.5 very fine and fine roots and 0.5 medium and coarse roots; 0.5 very fine and fine tubular and 0.5 medium and coarse tubular pores; fragments; moderately acid, pH 5.6, hellige-truog; clear irregular boundary. 5% gravel.; few very fine and fine roots; few medium and coarse roots
2C2—128 to 157 centimeters (50.4 to 61.8 inches); light olive brown (2.5Y 5/4) interior, pale yellow (2.5Y 7/4) interior, dry; gravelly clay loam; 35 percent clay; weak medium subangular blocky structure; slightly hard, firm, moderately sticky, moderately plastic; 2.5 very fine and fine roots and 2.5 medium and coarse roots; 0.5 fine to coarse tubular pores; 15 percent faint clay films on faces of peds and in pores; fragments; strongly acid, pH 5.4, hellige-truog; clear wavy boundary. 20% gravel. Peds have well developed pressure faces.; few clay films surface features on faces of peds and in pores; common very fine and fine roots; common medium and coarse roots
Cr—157 to 199 centimeters (61.8 to 78.3 inches); weathered bedrock; fragments. Highly weathered siltstone, easily dug with knife or spade.