IDENTIFIERS
Current Taxon Name (Soil Name):
Fort
OSD
Series Extent
User Site ID:
99CO073149
User Pedon ID:
99CO073149
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
89P0618
NCSS Pedon Lab Data NASIS Record ID -
61718
Print Date:
11/23/2024
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:
38.5893528
Std. Longitude:
-103.5898028
Datum:
WGS84
Township:
17 S.
Range:
55 W.
Section:
8
PLSS Details:
0.2 miles east and 50 feet south of the NW corner
Map Unit:
129—Fort loam, 1 to 3 percent slopes
State:
Colorado
County:
CO073—Lincoln
MLRA:
69—Upper Arkansas Valley Rolling Plains
MLRA Soil Survey Area:
NW-PUE—Pueblo, Colorado
Non-MLRA Soil Survey Area:
CO073—Lincoln County, Colorado
7.5 Minute USGS Quad:
38103-E5—Metz Springs, Colorado
PEDON
Describers Name:
LC
Current Taxonomic Class:
Fine-loamy, mixed, superactive, mesic Ustic Haplargids
Current Taxon Kind:
series
Pedon Type:
within range of map unit
Pedon Purpose:
full pedon description
Pedon Record Orgin:
NASIS
Pedon #:
213
Correlated Information:
Soil Name -
Fort
PSC -
10 to 46 cm.
Classificaton Date -
6/13/2012
Soil Taxonomic Edition -
tenth edition
Moisture Class -
ustic
Moisture Subclass -
ustic
Sampled As Information:
Soil Name -
Ulm
Classificaton Date -
7/25/1989
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
alluvium
Landform:
plain
Drainage Class:
well
Flooding:
none flooding
Ponding:
none ponding
Geology:
Pierre Shale formation.
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
7/25/1989 (actual site observation date)
Air Photo ID:
277-210
Surface Cover Properties:
Site Obs. Cover Kind 1 -
grass/herbaceous cover
Site Obs. Cover Kind 2 -
rangeland, grassland
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Horizon Lab Results - 1
Horizon
Top Depth
Bottom Depth
Sample ID
Data Collector
Total Clay
CaCO3 Clay
Total Silt
Fine Silt
Co. Silt
Total Sand
Total Sand Method
VC Sand
Co. Sand
Med. Sand
Fine Sand
VF Sand
VF Sand Method
Texture Class - Field Lab
Rubbed Fiber
Unrubbed Fiber
pH H2O
cm
cm
%
%
%
%
%
%
%
%
%
%
%
%
%
Bk1
Bk2
Bk3
46
79
107
79
107
152
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Pedon Horizon Lab Results - 2
Horizon
Top Depth
Bottom Depth
Sample ID
pH CaCl2
pH NaF
pH Ox
Delta pH
LL
PL
PI
Atter. Samp. Cond.
COLE
Pot. Acidity
Ca + Mg - Meh 2
K
Ca + Mg - Sat. Paste
KCl Extract. Acidity
Base Sat. - Meh 2
CEC-7
CEC-8.2
cm
cm
%
%
%
cm/cm
meq/100g
cmol(+)/kg
cmol(+)/kg
mmol(+)/l
cmol(+)/kg
%
cmol(+)/kg
cmol(+)/kg
Bk1
Bk2
Bk3
46
79
107
79
107
152
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Pedon Horizon Lab Results - 3
Horizon
Top Depth
Bottom Depth
Sample ID
ECEC
Phosphate P
NO3-N
EC
EC Method
EC 1:5 by volume
CaCO3 Equiv.
Equiv. Gypsum
Na
SAR
Gypsum Req.
Humic Color
Fulvic Color
Humic + Fulvic Color
Al
PI
Pyro. Hue
PyrO. Value
Pyro. Chroma
cm
cm
cmol(+)/kg
mg/kg
mg/kg
dS/m
dS/m
%
%
mmol(+)/l
%
L-pcu/g
L-pcu/g
L-pcu/g
%
Bk1
Bk2
Bk3
46
79
107
79
107
152
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7
5
12
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Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
ochric epipedon
argillic horizon
0—10
10—46
—-
—-
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
1
—
—
—
—
180
330
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—
10
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A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3), dark brown (10YR 3/3), moist; loam; 12 percent clay; moderate fine granular structure; slightly hard, very friable, slightly sticky, slightly plastic; fragments; slight effervescence; neutral, pH 6.7; clear smooth boundary. Lab sample # 89P3426
Bt1—10 to 18 centimeters (3.9 to 7.1 inches); brown (10YR 4/3), brown (10YR 4/3), moist; clay loam; 28 percent clay; moderate fine subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 55 percent faint clay films on faces of peds; fragments; slight effervescence; neutral, pH 6.7; clear smooth boundary. Lab sample # 89P3427
Bt2—18 to 33 centimeters (7.1 to 13.0 inches); brown (10YR 4/3), dark yellowish brown (10YR 4/4), moist; clay loam; 30 percent clay; moderate medium prismatic, and moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; 55 percent faint clay films on faces of peds; fragments; slight effervescence; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 89P3428. many clay films surface features on faces of peds
Bt3—33 to 46 centimeters (13.0 to 18.1 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay loam; 30 percent clay; weak medium prismatic, and moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 55 percent faint clay films on faces of peds; fragments; noneffervescent; slightly alkaline, pH 7.5; clear smooth boundary. Lab sample # 89P3428. many clay films surface features on faces of peds
Bk1—46 to 79 centimeters (18.1 to 31.1 inches); very pale brown (10YR 7/3), light yellowish brown (10YR 6/4), moist; loam; 20 percent clay; weak medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 6 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence; strongly alkaline, pH 8.6; clear smooth boundary. Lab sample # 89P3429
Bk2—79 to 107 centimeters (31.1 to 42.1 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; sandy clay loam; 28 percent clay; weak medium subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 8 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence; strongly alkaline, pH 8.6; clear smooth boundary.
Bk3—107 to 152 centimeters (42.1 to 59.8 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; loam; 20 percent clay; massive; hard, friable, slightly sticky, slightly plastic; 10 percent fine distinct irregular carbonate masses in matrix; fragments; violent effervescence.