IDENTIFIERS
User Site ID:
S2013CO029011
User Pedon ID:
S2013CO029011
Lab Information:
Certified Lab Pedon Description -
no
Print Date:
12/5/2025
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:
38.6225201
Std. Longitude:
-107.8886795
Datum:
WGS84
Map Unit:
23—Chipeta silty clay, 3 to 30 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 -
Fine-silty, mixed, active, mesic Typic Haplargids
Taxon Kind -
family
Classificaton Date -
6/5/2013
Classifier -
David Dearstyne
Moisture Class -
aridic (torric)
Moisture SUBClass -
typic
Dynamic Soil Properties:
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Slope Shape Across:
concave
Slope Shape Down:
linear
Drainage Class:
well
Surface Fragments:
60.00 percent 2- to 150-millimeter shale, unspecified,
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
6/5/2013 (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
15
—
—
1636
—
315
24
—
—
—
—
—
—
—
—
—
—
—
—
—
A—0 to 5 centimeters (0.0 to 2.0 inches); dark grayish brown (10YR 4/2), dark gray (10YR 4/1), moist; 20 percent clay; weak medium granular structure; soft, very friable, moderately sticky, slightly plastic; common very fine roots and common fine roots; 5 percent by volume angular moderately coherent cemented 2-?-75 millimeter shale, unspecified fragments and 25 percent by volume angular moderately coherent cemented 75-?-250 millimeter shale, unspecified fragments; slight effervescence; very strongly alkaline, pH 9.4; clear smooth boundary.
Bt—5 to 22 centimeters (2.0 to 8.7 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; 34 percent clay; weak coarse subangular blocky parts to weak fine subangular blocky, and weak very coarse subangular blocky parts to weak fine subangular blocky structure; hard, firm, very sticky, very plastic; few very fine roots and few fine roots; 70 percent distinct clay films on all faces of peds; fragments; slight effervescence; very strongly alkaline, pH 9.4; clear smooth boundary.
Btz—22 to 46 centimeters (8.7 to 18.1 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; 38 percent clay; weak medium subangular blocky, and weak coarse subangular blocky structure; hard, firm, very sticky, very plastic; few fine roots; 50 percent distinct clay films on all faces of peds; 3 percent fine salt masses; fragments; strong effervescence; very strongly alkaline, pH 9.6; gradual wavy boundary.
BCtz—46 to 76 centimeters (18.1 to 29.9 inches); yellowish brown (10YR 5/4), dark grayish brown (10YR 4/2), moist; 29 percent clay; weak coarse subangular blocky parts to weak fine subangular blocky, and weak coarse subangular blocky parts to weak medium subangular blocky structure; hard, firm, very sticky, moderately plastic; 30 percent distinct clay films on all faces of peds; 4 percent fine salt masses; fragments; strong effervescence; strongly alkaline, pH 8.8; gradual wavy boundary.
C—76 to 96 centimeters (29.9 to 37.8 inches); brown (10YR 5/3), dark grayish brown (10YR 4/2), moist; 30 percent clay; moderate medium subangular blocky structure; hard, friable, very sticky, moderately plastic; 20 percent by volume angular moderately coherent cemented 2-?-75 millimeter shale, unspecified fragments; slight effervescence; strongly alkaline, pH 9.0; clear wavy boundary.
Cr—96 to 102 centimeters (37.8 to 40.2 inches); fragments.