IDENTIFIERS
User Site ID:
S2013CO029021
User Pedon ID:
S2013CO029021
Lab Information:
Certified Lab Pedon Description -
no
Print Date:
2/18/2026
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:
38.6225201
Std. Longitude:
-107.8886795
Datum:
WGS84
Map Unit:
15—Billings silty clay loam, 3 to 6 percent slopes
State:
Colorado
County:
CO029—Delta
MLRA:
34B—Warm Central Desertic Basins and Plateaus
Non-MLRA Soil Survey Area:
CO679—Paonia Area, Colorado, Parts of Delta, Gunnison, and Montrose Counties
PEDON
Describers Name:
David A Dearstyne
Pedon Type:
not classified to current taxon name
Pedon Purpose:
research site
Pedon Record Orgin:
NASIS
Sampled As Information:
Soil Name -
unnamed
Taxonomic Class -
Clayey, mixed, active, mesic, shallow Typic Haplogypsids
Taxon Kind -
family
Classificaton Date -
6/13/2013
Classifier -
David Dearstyne
Moisture Class -
aridic (torric)
Moisture SUBClass -
typic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Slope Shape Across:
linear
Slope Shape Down:
linear
Drainage Class:
well
Surface Fragments:
5.00 percent 2- to 150-millimeter sandstone, unspecified, 20.00 percent 2- to 75-millimeter igneous, unspecified,
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/16/2013 (actual site observation date)
Data Collector:
David Dearstyne
Surface Cover Properties:
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
10
—
—
1600
—
225
25
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 2 centimeters (0.0 to 0.8 inches); pale brown (10YR 6/3), dark grayish brown (10YR 4/2), moist; 20 percent clay; weak medium platy parts to weak medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 5 percent by volume subrounded 2-?-75 millimeter igneous, unspecified fragments and 5 percent by volume subangular 2-?-75 millimeter sandstone, unspecified fragments; slight effervescence; strongly alkaline, pH 8.6; abrupt smooth boundary.
Btz1—2 to 10 centimeters (0.8 to 3.9 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; 24 percent clay; weak medium subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 10 percent faint clay films on all faces of peds; 2 percent fine salt crystals and 3 percent fine salt masses; 1 percent by volume subrounded 2-?-75 millimeter igneous, unspecified fragments and 1 percent by volume subangular 2-?-75 millimeter sandstone, unspecified fragments; slight effervescence; very strongly alkaline, pH 9.4; abrupt smooth boundary.
Btz2—10 to 38 centimeters (3.9 to 15.0 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; 28 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 20 percent faint clay films on all faces of peds; 2 percent fine salt crystals and 3 percent fine salt masses; fragments; noneffervescent; very strongly alkaline, pH 9.4; gradual wavy boundary.
BCyz1—38 to 74 centimeters (15.0 to 29.1 inches); grayish brown (10YR 5/2), very dark brown (10YR 2/2), moist; 16 percent clay; massive; slightly hard, very friable, slightly sticky, slightly plastic; 1 percent fine gypsum crystals, unspecified throughout and 1 percent fine salt masses throughout and 1 percent fine salt crystals throughout and 1 percent medium salt crystals throughout and 1 percent medium gypsum crystals, unspecified throughout and 1 percent medium gypsum masses throughout and 1 percent medium salt masses throughout; fragments; noneffervescent; strongly alkaline, pH 9.0; clear wavy boundary.
BCyz2—74 to 152 centimeters (29.1 to 59.8 inches); grayish brown (10YR 5/2), very dark brown (10YR 2/2), moist; 32 percent clay; massive; moderately hard, friable, moderately sticky, moderately plastic; 1 percent coarse gypsum masses throughout and 1 percent coarse salt masses throughout and 1 percent fine gypsum crystals, unspecified throughout and 1 percent fine salt crystals throughout and 1 percent medium salt crystals throughout and 1 percent medium gypsum crystals, unspecified throughout and 1 percent medium gypsum masses throughout; fragments; noneffervescent; strongly alkaline, pH 9.0.