*** Primary Characterization Data ***
Pedon ID: S1970CO003001( Alamosa, Colorado )Print Date: Apr 27 2024 10:21AM

Sampled as on May 30, 1970:HOOPER
Revised to correlated:unnamed ; Fine, montmorillonitic, frigid Typic Natrargids
United States Department of Agriculture
SSL-ProjectNL70CO008   SAN LUIS BASINNatural Resources Conservation Service
-Site IDS1970CO003001   Lat: 37° 29' 19.08" north  Long: 106° 2' 8.10" westNational Soil Survey Center
-Pedon No. 70C0083Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866

LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
70C00527E1A210-870527LS LS
70C00528E2A228-1370528SL SCL
70C00529Bt1B21t13-2970529C C
70C00530Bt2B22t29-4370530CL SCL
70C00531CC 143-6770531SCL FSL
70C005322C2 C 267-9070532S COS

Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average1.93(NA)
Clay, carbonate free, Weighted Average15% wt
Weighted Particles, 0.1-75mm, 75 mm Base50% wt
Volume, >2mm, Weighted Average6% vol
Clay, total, Weighted Average16% wt
 
Weighted averages based on control section: 13-100 cm

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
 
70C005270-8E1Sls7.215.477.410.84.68.430.920.615.12.4------69--
70C005288-13E2Sscl22.422.355.32.312.017.15.26.921.113.711.22.4------48--
70C0052913-29Bt1Sc40.617.042.418.18.08.98.110.816.27.85.62.0------32--
70C0053029-43Bt2Sscl22.621.356.110.311.016.719.38.18.23.8------39--
70C0053143-67CSfsl16.622.461.07.711.610.817.219.28.910.35.44----464
70C0053267-902CScos1.82.895.42.50.33.021.026.727.816.9249--9533


*** Primary Characterization Data ***
Pedon ID: S1970CO003001( Alamosa, Colorado )Print Date: Apr 27 2024 10:21AM
Sampled As:HOOPER
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  70C0083

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%
4A1d4A1h4B1c4B1c3C2a1a3D14C18D18D1
 
70C005270-8E1S1.641.650.00210.38.43.51.0080.080.970.49
70C005288-13E2S1.641.680.00816.715.14.71.0080.170.330.21
70C0052913-29Bt1S1.501.770.05727.523.422.01.0080.020.540.54
70C0053029-43Bt2S1.471.690.04828.524.313.41.0230.160.860.59
70C0053143-67CS1.651.750.01918.415.911.01.0230.081.130.66
70C0053267-902CS3.51.0235.111.94

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 - - - - - - - - - - - - - - - - - - - - - -)
4F14F
 
70C005270-8E1SNPNP
70C0052913-29Bt1S43.4279926
70C0053029-43Bt2S33.4399917
70C0053143-67CS29.5049913

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 - - - - -)
6B3a6A1c6C2b6G7a
 
70C005270-8E1S0.0210.1570.4tr
70C005288-13E2S0.0420.41100.3tr
70C0052913-29Bt1S0.330.2tr
70C0053029-43Bt2S0.220.4tr
70C0053143-67CS0.050.5tr
70C0053267-902CS0.040.6tr


*** Primary Characterization Data ***
Pedon ID: S1970CO003001( Alamosa, Colorado )Print Date: Apr 27 2024 10:21AM
Sampled As:HOOPER
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  70C0083

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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b5A8b5C35C1
 
70C005270-8E1S10.3*0.95.42.17.0100100
70C005288-13E2S11.5*1.05.71.77.4100100
70C0052913-29Bt1S11.6*2.619.93.921.8100100
70C0053029-43Bt2S10.5*0.920.32.619.5100100
70C0053143-67CS11.2*0.519.42.418.8100100
70C0053267-902CS3.9*0.77.91.29.2100100

*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 - -)%
6N1b6O1b6P1b6Q1b6I1b6J1b6K1c6L1c8A8D58A3a5E
 
70C005270-8E1S0.60.637.01.012.410.310.420.40.13.636648
70C005288-13E2S1.01.140.20.78.713.616.220.00.14.196639
70C0052913-29Bt1S0.80.944.10.55.717.79.711.367.20.23.897848
70C0053029-43Bt2S0.80.872.70.713.815.611.225.748.50.26.608681
70C0053143-67CS0.71.275.00.717.510.911.428.446.20.26.208577
70C0053267-902CS0.40.517.20.20.97.92.35.930.2tr1.588026

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
 
70C005270-8E1S8.79.88.85
70C005288-13E2S8.29.68.719
70C0052913-29Bt1S9.29.511
70C0053029-43Bt2S9.59.99.44
70C0053143-67CS9.710.19.54
70C0053267-902CS9.010.09.6tr


*** Primary Characterization Data ***
Pedon ID: S1970CO003001( Alamosa, Colorado )Print Date: Apr 27 2024 10:21AM
Sampled As:HOOPER
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  70C0083

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&nbsp;&nbsp;&nbsp;&nbsp;tion
Layer(cm)Horzion( - - - - - - - - - peak size - - - - - - - - - - )(- - - - - - - - - % - - - - - - - - - -)(- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -)mg g-1
70C005288.0-13.0E2fclyMT 3MI 2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
70C0052913.0-29.0Bt1fclyMI 3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
70C0052913.0-29.0Bt1tclyMI 3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
70C0053143.0-67.0CfclyMT 4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
70C0053143.0-67.0CtclyMT 3MI 3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

FRACTION INTERPRETATION:
fcly - Fine Clay <0.0002 mmtcly - Total Clay <0.002 mm&nbsp;&nbsp;&nbsp;

MINERAL INTERPRETATION:
MI MicaMT Montmorillonite&nbsp;&nbsp;&nbsp;

RELATIVE PEAK SIZE:5 Very Large4 Large3 Medium2 Small1 Very Small6 No Peaks
NSSC SSL Report Creation