IDENTIFIERS
Current Taxon Name (Soil Name):
Dranburn
OSD
Series Extent
User Site ID:
09-JTL-002
User Pedon ID:
S09ID029003
Lab Information:
Certified Lab Pedon Description -
no
Lab Pedon # -
S09ID029003
Print Date:
12/7/2025
LOCATION
Township:
8S
Range:
37E
Section:
12
PLSS Details:
Southeast corner of southwest corner of
State:
Idaho
County:
ID029—Caribou
Non-MLRA Soil Survey Area:
ID713—Caribou National Forest, Idaho and Wyoming
PEDON
Describers Name:
John Lott
Current Taxonomic Class:
Fine-loamy, mixed, superactive Pachic Argicryolls
Current Taxon Kind:
family
Pedon Type:
OSD pedon
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
Dranburn
Taxonomic Class -
Fine-loamy, mixed, superactive Pachic Argicryolls
PSC -
45 to 95 cm.
Classificaton Date -
7/22/2008
Soil Taxonomic Edition -
tenth edition
Moisture Class -
xeric
Moisture SUBClass -
xeric
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
colluvium
Landscape:
mountain range
Landform:
mountain slope
Geomorphic Component Mountains:
mountainflank
Hill Slope Profile:
toeslope
Slope Position:
lower third
Slope Shape Across:
concave
Slope Shape Down:
linear
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
Other Vegetative Class:
SC320 - Douglas-fir/pinegrass—Forest Habitat Types of E. Idaho - W. Wyoming (GTR-INT-144)
SITE OBSERVATION
Observation Date:
7/22/2008 (actual site observation date)
Surface Water Kind:
none observed
Surface Cover Properties:
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
0—45
15—152
—-
—-
Site Soil Temperature
Site Obs. Date
Depth
Sensor Kind
Temperature
cm
C
7/22/2008
50
—
9
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
30
—
—
1895.9
—
35
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.; moist when described; observed in trench
Oe—3 to 5 centimeters (1.2 to 2.0 inches); moderately decomposed plant material; fragments.; moist when described; observed in trench
A—5 to 16 centimeters (2.0 to 6.3 inches); very dark brown (10YR 2/2) rubbed, dark grayish brown (10YR 4/2) rubbed, dry; loam; 18 percent clay; strong medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 2.0 very fine roots and 1.0 medium roots and 1.0 coarse roots; 2.0 very fine pores; 5 percent by volume nonflat 2-50-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 7.1, bromthymol blue; clear wavy boundary. Lab sample # 001; moist when described; observed in trench
ABt1—16 to 45 centimeters (6.3 to 17.7 inches); dark brown (10YR 3/3) rubbed, yellowish brown (10YR 5/4) rubbed, dry; clay loam; 28 percent clay; moderate medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; 1.0 medium roots and 1.0 fine roots and 1.0 coarse roots; 2.0 very fine pores; 1 percent prominent clay films on surfaces along pores and 1 percent prominent clay films on all faces of peds; 5 percent by volume nonflat 2-50-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; strongly alkaline, pH 8.8, bromthymol blue; abrupt wavy boundary. Lab sample # 002; moist when described; observed in trench. patchy - phpvsfiid 474934; patchy - phpvsfiid 474935; patchy - phpvsfiid 474934; patchy - phpvsfiid 474935
Bt2—45 to 87 centimeters (17.7 to 34.3 inches); dark yellowish brown (10YR 4/6) rubbed clay loam; 34 percent clay; strong medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 1.0 medium roots and 1.0 fine roots and 1.0 coarse roots; 1.0 very fine pores; 2 percent prominent clay films on surfaces along pores and 2 percent prominent clay films on all faces of peds and 2 percent prominent clay films on bottom of rock fragments; 5 percent by volume nonflat 2-50-75 millimeter unspecified fragments and 5 percent by volume nonflat 75-150-250 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 6.8, bromthymol blue; gradual wavy boundary. Lab sample # 003; moist when described; observed in trench. continuous - phpvsfiid 474929; continuous - phpvsfiid 474930; continuous - phpvsfiid 474931; continuous - phpvsfiid 474929; continuous - phpvsfiid 474930; continuous - phpvsfiid 474931
Bt3—87 to 152 centimeters (34.3 to 59.8 inches); yellowish brown (10YR 5/6) rubbed gravelly clay loam; 38 percent clay; moderate medium prismatic parts to strong medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 1.0 medium roots and 1.0 fine roots; 1.0 very fine pores; 3 percent prominent clay films on bottom of rock fragments and 3 percent prominent clay films on all faces of peds and 3 percent prominent clay films on surfaces along pores; 5 percent by volume nonflat 75-150-250 millimeter unspecified fragments and 15 percent by volume nonflat 2-50-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; neutral, pH 6.7, bromthymol blue. Lab sample # 004; moist when described; observed in trench. continuous - phpvsfiid 474926; continuous - phpvsfiid 474927; continuous - phpvsfiid 474928; continuous - phpvsfiid 474926; continuous - phpvsfiid 474927; continuous - phpvsfiid 474928