*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM

Sampled as on Aug 30, 1990:Nunn ; Fine, montmorillonitic Aridic Argiustolls
Revised to SSL:(unnamed) ; Fine-loamy, mixed, mesic Aridic Argiustoll
United States Department of Agriculture
SSL-ProjectCP91CO012   GREELEY COUNTYNatural Resources Conservation Service
-Site IDS1990CO009003   Lat: 37° 16' 21.00" north  Long: 102° 12' 21.00" west  MLRA: 67BNational Soil Survey Center
-Pedon No. 91P0040Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P00227ApAp0-13CL L
91P00228ABAB13-24CL L
91P00229Bt1BtB124-49CL CL
91P00230Bt2BtB249-66CL CL
91P00231BtkBtBk66-81CL CL
91P00232Bk1BkB181-102CL CL
91P00233Bk2BkB2102-139CL CL
91P00234Bk3BkB3139-171SCL SL
91P00235ApAp0-13CL L
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.71(NA)
Clay, carbonate free, Weighted Average29% wt
Weighted Particles, 0.1-75mm, 75 mm Base18% wt
Volume, >2mm, Weighted Average0% vol
Clay, total, Weighted Average30% wt
LE, Whole Soil, Summed to 1m0cm/m
 
Weighted averages based on control section: 24-74 cm


*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM
Sampled As:NunnFine, montmorillonitic Aridic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0040
PSDA  &  Rock Fragments-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
 
(- - - - - Total - - - - - -)(- - Clay - - -)(- - - - Silt - - - - -)(- - - - - - - - - - - - Sand - - - - - - - - - - - -)( Rock Fragments   (mm) )
LabClaySiltSandFineCO3FineCoarseVFFMCVC(- - - - - - - - Weight - - - - - - - -)>2 mm
Text-<.002.05<<.002.02.05.10.25.512520.1-wt %
Depthure.002-.05-2.0002.002-.02-.05-.10-.25-.50-1-2-5-20-7575whole
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -)(- - - - - - - % of <75mm - - - - - -)soil
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P002270-13ApSl23.838.238.011.313.424.816.514.36.40.70.1------22
91P0022813-24ABSl25.742.631.717.913.728.914.111.35.50.60.2------18
91P0022924-49Bt1Scl29.640.929.522.113.327.613.29.95.30.90.2tr----16
91P0023049-66Bt2Scl29.040.730.316.115.725.011.59.76.31.90.9trtr--19
91P0023166-81BtkScl30.741.527.815.53.718.722.88.08.46.32.72.41----211
91P0023281-102Bk1Scl31.845.123.115.14.320.624.57.96.65.62.40.6------15
91P00233102-139Bk2Scl29.628.042.415.32.213.114.911.412.512.04.81.71----321
91P00234139-171Bk3Ssl17.013.070.07.47.05.57.510.119.823.214.32.6tr----60
91P002350-13ApSl23.938.237.913.225.015.514.76.80.70.2tr----22
Bulk Density  &  Moisture-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(Bulk Density)Cole(- - - - - - - - - - - Water Content - - - - - - - - - - -)( Air Dry-Oven Dry )WRDAggst
33OvenWhole6103315001500 kPa(- - - - Ratio - - - -)WholeStabl(- - Ratio/Clay - -)
DepthkPaDrySoilkPakPakPakPaMoistCorrectedSoil2-0.5mm CEC71500 kPa
Layer(cm)HorzPrep (- - - g cm-3 - - -) (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) cm3 cm-3%
4A1d4A1h4B1c4B1c3C2a1a3D14C13F1a1a8D18D1
 
91P002270-13ApS1.321.460.03428.328.011.31.0220.22260.790.47
91P0022813-24ABS1.341.550.05027.026.912.01.0230.20160.730.47
91P0022924-49Bt1S1.391.720.07425.925.814.61.0280.160.720.49
91P0023049-66Bt2S1.431.680.05529.724.714.21.0270.150.710.49
91P0023166-81BtkS1.441.580.03124.323.013.31.0250.140.600.43
91P0023281-102Bk1S1.341.470.03124.522.813.11.0240.130.530.41
91P00233102-139Bk2S1.411.580.03921.821.611.51.0200.140.500.39
91P00234139-171Bk3S1.511.580.01514.713.85.91.0080.120.360.35
91P002350-13ApS11.71.0220.750.49


*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM
Sampled As:NunnFine, montmorillonitic Aridic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0040
Water Content-1--2--3--4--5--6--7--8--9--10--11--12--13-
 
(- - Atterberg - -)(- - - - - Bulk Density - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - Water Content - - - - - - - - - - - - - - - - - - - - -)
(- - - Limits - - -)FieldReconReconFieldRecon(- - - - - - - - - - - - - - Sieved Samples - - - - - - - - - - - - -)
LLPI33Oven3361033100200500
DepthkPaDrykPakPakPakPakPakPakPa
Layer(cm)HorzPreppct <0.4mm(- - - - - - - - g cm-3 - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - - - - - - -)
3C1e1a
 
91P0022924-49Bt1S12.1
Carbon  &  Extractions-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19-
 
(- - - - - Total - - - - -)EstOCC/N(- - - Dith-Cit Ext - - -)(- - - - - - Ammonium Oxalate Extraction - - - - - -)(- - - Na Pyro-Phosphate - - -)
DepthCNSOC(WB)RatioFeAlMnAl+½FeODOEFeAlSiMnCFeAlMn
Layer(cm)HorzPrep(- - - - - - - - - - % of <2 mm - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -)mg kg-1(- - - - - - % of < 2mm - - - - -)
6B3a6A1c6C2b
 
91P002270-13ApS0.0921.020.7
91P0022813-24ABS0.0640.63
91P0022924-49Bt1S0.0460.430.8
91P0023049-66Bt2S0.0380.32
91P0023166-81BtkS0.0330.29
91P0023281-102Bk1S0.280.8
91P00233102-139Bk2S0.25
91P00234139-171Bk3S0.11
91P002350-13ApS0.0740.88


*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM
Sampled As:NunnFine, montmorillonitic Aridic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0040
CEC  &  Bases-1--2--3--4--5--6--7--8--9--10--11--12--13--14-
 
(- - - - - - NH4OAC Extractable Bases - - - - -)CEC8CEC7ECEC(- - - - Base - - - -)
SumAcid-ExtrKClSumNH4BasesAl(- Saturation -)
DepthCaMgNaKBasesityAlMnCatsOAC+AlSatSumNH4OAC
Layer(cm)HorzPrep(- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -)mg kg-1(- - - - cmol(+) kg-1 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a5A8b5C35C1
 
91P002270-13ApS33.1*2.8tr1.6--18.9100100
91P0022813-24ABS16.8*3.2tr1.00.518.798100
91P0022924-49Bt1S16.8*5.9tr0.90.121.3100100
91P0023049-66Bt2S27.1*7.0tr1.0--20.7100100
91P0023166-81BtkS46.9*6.90.10.918.4100100
91P0023281-102Bk1S46.1*8.10.11.016.8100100
91P00233102-139Bk2S46.8*8.80.11.114.8100100
91P00234139-171Bk3S36.5*4.60.10.46.1100100
91P002350-13ApS27.5*2.6--1.50.717.998100

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.
Salt-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18--19--20-
 
(- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -)1:2
TotalElecElecExch
DepthCaMgNaKCO3HCO3FClPO4BrOACSO4NO2NO3H2OSaltsCondCondNaSAR
Layer(cm)HorzPrep(- - - - - mmol(+) L-1 - - - - -)(- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -)(- - - - % - - - -)(- - dS m-1 - -)%
6N1b6O1b6P1b6Q1b6I1b6J1b6U1a6K1c6L1c6W1a6M1c8A8D58A3a4F1a1a15E
 
91P002270-13ApS3.71.30.41.0--5.10.10.50.7----47.7tr0.840.29--tr
91P0022813-24ABS0.20--
91P0022924-49Bt1S0.13--
91P0023049-66Bt2S0.19--
91P0023166-81BtkS0.181
91P0023281-102Bk1S0.201
91P00233102-139Bk2S0.211
91P00234139-171Bk3S0.172
91P002350-13ApS0.24--


*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM
Sampled As:NunnFine, montmorillonitic Aridic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0040
pH  &  Carbonates-1--2--3--4--5--6--7--8--9--10--11-
 
(- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -)(- - Carbonate - -)(- - Gypsum - - -)
CaCl2As CaCO3As CaSO4*2H2OResist
Depth0.01MH2OSat<2mm<20mm<2mm<20mmohms
Layer(cm)HorzPrepKCl1:21:1PasteOxidNaF(- - - - - - - - - - - - % - - - - - - - - - - -)cm-1
4C1a2a4C1a2a8C1b6E1g
 
91P002270-13ApS7.58.07.71
91P0022813-24ABS7.48.0tr
91P0022924-49Bt1S7.27.9tr
91P0023049-66Bt2S7.58.01
91P0023166-81BtkS7.68.17
91P0023281-102Bk1S7.78.310
91P00233102-139Bk2S7.88.38
91P00234139-171Bk3S7.88.413
91P002350-13ApS7.58.01
Phosphorus-1--2--3--4--5--6--7--8--9--10--11--12-
 
(- - - - - - - - - - - - - - - - - - - - - - - Phosphorus - - - - - - - - - - - - - - - - - - - - -)KCl
MelanicNZAcidAnion Exch ResinBrayBrayOlsenH2OCitricMehlichExtr
DepthIndexOxalAvailableCapacity12AcidIIINO3
Layer(cm)HorzPrep%(- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -)
6S3
 
91P002270-13ApS54.0
91P0022813-24ABS21.0
91P0022924-49Bt1S11.0
91P0023049-66Bt2S15.0


*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM
Sampled As:NunnFine, montmorillonitic Aridic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0040
Clay Mineralogy (<.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalElementalEGMEInter
SiO2Al2O3Fe2O3MgOCaOK2ONa2ORetnpreta
DepthFract7A2i 7C3 tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
91P002270.0-13.0AptclyMI 3MT 3KK 2QZ 1CA 1 187.1 3.0
91P0022924.0-49.0Bt1tclyMT 4MI 3KK 2MM 2QZ 1 218.6 3.2
91P0023049.0-66.0Bt2tclyMT 4MI 3KK 3MM 2QZ 1 197.0 2.7

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA CalciteKK KaoliniteMI MicaMM Montmorillonite-MicaMT Montmorillonite
QZ Quartz

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks


*** Primary Characterization Data ***
Pedon ID: 90CO009003( Baca, Colorado )Print Date: Apr 22 2025 11:47AM
Sampled As:NunnFine, montmorillonitic Aridic Argiustolls
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0040
Sand - Silt Mineralogy (2.0-0.002 mm)-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17--18-
X-RayThermalOpticalEGMEInter
Tot ReGrain CountRetnpreta
DepthFract 7B1a2 tion
Layer(cm)Horzion( - - - - - - - - peak size - - - - - - - - - )(- - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - -) mg g-1
91P0022924.0-49.0Bt1vfs 61QZ 53FD 31QC 7FP 4OP 1MS 1
PR 1BT 1AM trHN trKK trAR tr
GN trPO trZR tr
91P0023049.0-66.0Bt2vfs 60QZ 51FD 28QC 8FP 8BT 2MS 2
PR 1OP 1TA trAR trHN trAM tr
ZR trGN trKK trCA trGS tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mm

MINERAL INTERPRETATION:
AM AmphiboleAR Weatherable AggregatesBT BiotiteCA CalciteFD Feldspar
FP Plagioclase FeldsparGN GarnetGS GlassHN HornblendeKK Kaolinite
MS MuscoviteOP OpaquesPO Plant OpalPR PyroxeneQC Clay-Coated Quartz
QZ QuartzTA TalcZR Zircon
NSSC SSL Report Creation