*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM

Sampled as on Jun 29, 1991:Leadville ; Loamy-skeletal, mixed Typic Cryoboralfs
Revised to correlated on Oct 1, 1992:(unnamed) ; Coarse-loamy, mixed, superactive Typic Cryoboralf
United States Department of Agriculture
SSL-ProjectCP91CO242   WET MOUNTAIN SPANISH PEAKSNatural Resources Conservation Service
-Site IDS1991CO055005   Lat: 37° 21' 6.00" north  Long: 105° 3' 18.00" west  MLRA: 48ANational Soil Survey Center
-Pedon No. 91P1067Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P06966OeOE1-0
91P06967EE0-20L FSL
91P06968Bt1Bt120-46FSL SCL
91P06969Bt2Bt246-76SCL SL
91P06970Bt3Bt376-125SL
91P06971BC1BC1125-151SCL FSL
91P06972BC2BC2151-165SCL L
91P06973BC3BC3165-183SCL FSL
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average1.36(NA)
Clay, carbonate free, Weighted Average18% wt
Weighted Particles, 0.1-75mm, 75 mm Base72% wt
Volume, >2mm, Weighted Average28% vol
Clay, total, Weighted Average18% wt
 
Weighted averages based on control section: 20-70 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P069661-0OeS13--
91P069670-20ESfsl10.037.952.1--21.716.212.414.012.78.94.1312417356
91P0696820-46Bt1Sscl20.321.658.16.213.08.610.016.316.911.63.346306940
91P0696946-76Bt2Ssl14.715.569.84.19.65.910.018.922.515.23.257287640
91P0697076-125Bt3Ssl14.216.968.93.710.56.411.521.121.411.83.124247030
91P06971125-151BC1Sfsl15.024.360.74.117.07.315.324.614.05.21.616--497
91P06972151-165BC2Sl21.237.041.83.526.210.810.614.811.53.81.1tr3--333
91P06973165-183BC3Sfsl15.729.454.94.418.710.720.428.15.11.10.2trtr4374


*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM
Sampled As:LeadvilleLoamy-skeletal, mixed Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1067
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%
4A1d4A1h4B1c4B1c3C2a1a4B2b3D14C18D18D1
 
91P069661-0OeS0.310.40113.828.21.050
91P069661-0OeM35.0
91P069670-20ES1.541.570.00414.012.23.81.0080.070.990.38
91P069670-20EM4.2
91P0696820-46Bt1S1.481.560.01314.613.48.71.0230.031.080.43
91P0696820-46Bt1M10.9
91P0696946-76Bt2S1.631.720.01311.67.71.0270.031.670.52
91P0696946-76Bt2M8.6
91P0697076-125Bt3S1.651.750.01613.66.91.0270.081.860.49
91P0697076-125Bt3M7.5
91P06971125-151BC1S1.661.760.01915.37.81.0310.111.190.52
91P06971125-151BC1M8.5
91P06972151-165BC2S1.641.770.02516.89.41.0330.111.440.44
91P06972151-165BC2M9.7
91P06973165-183BC3S1.631.770.02719.09.01.0370.152.100.57
91P06973165-183BC3M9.5
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 - - - - - - - - - - - - - - - - - - - - - -)
4F14F3C1e1a
 
91P069670-20ES2239.3
91P0696820-46Bt1S11.8


*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM
Sampled As:LeadvilleLoamy-skeletal, mixed Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1067
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 - - - - -)
6A2d6A1c6C2b6G7a6D2a6C8a6G10
 
91P069661-0OeS7.128.10
91P069670-20ES0.860.921.00.1tr0.10.1
91P0696820-46Bt1S0.460.471.20.1trtr0.1
91P0696946-76Bt2S0.130.141.10.1tr--tr
91P0697076-125Bt3S0.130.131.40.1trtrtr
91P06971125-151BC1S0.060.061.3tr--trtr
91P06972151-165BC2S0.060.061.30.1trtrtr
91P06973165-183BC3S0.050.071.30.1trtrtr
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a6G9c6D3b5A3a5A8b5A3b5G15C35C1
 
91P069661-0OeS19.42.90.10.714.6--3.129.6
91P069670-20ES4.80.8tr0.25.84.70.70.710.59.96.5115559
91P0696820-46Bt1S12.42.80.10.415.76.82.70.122.522.018.4157071
91P0696946-76Bt2S16.43.2--0.319.94.92.70.524.824.522.6128081
91P0697076-125Bt3S19.93.2tr0.223.33.41.50.626.726.424.868788
91P06971125-151BC1S21.3*2.80.10.124.33.41.40.427.717.925.7588100
91P06972151-165BC2S22.02.80.10.225.14.01.51.029.130.626.668682
91P06973165-183BC3S26.33.20.10.129.73.41.20.533.132.930.949090

*Extractable Ca may contain Ca from calcium carbonate or gypsum., CEC7 base saturation set to 100.


*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM
Sampled As:LeadvilleLoamy-skeletal, mixed Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1067
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 - -)%
 
91P069670-20ES--
91P0696820-46Bt1Str
91P0696946-76Bt2S--
91P0697076-125Bt3S--
91P06971125-151BC1S1
91P06972151-165BC2Str
91P06973165-183BC3Str
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
4C1a2a4C1a2a
 
91P069661-0OeS5.05.5
91P069670-20ES4.55.1
91P0696820-46Bt1S4.55.3
91P0696946-76Bt2S4.65.4
91P0697076-125Bt3S4.65.4
91P06971125-151BC1S4.65.4
91P06972151-165BC2S4.65.5
91P06973165-183BC3S4.65.5


*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM
Sampled As:LeadvilleLoamy-skeletal, mixed Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1067
Organic-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16--17-
 
MineralOMOM+(- Total -)Fiber ContentNaPyroDecompLimnic(- - pH - -)(- - Bulk Density - -)Proj
DepthContentTC*1.724MinCNC/NUnrubRubColorStateMatterCaCl2H2O33 kPa33 kPa rewetODSubs
Layer(cm)HorzPrep(- - - - - - - - % - - - - - - - -)ratio% (by vol)g cm-3cm cm-1
5A6A2d4C1a2a
 
91P069661-0OeS727.125.5
91P069670-20ES0.865.142
91P0696820-46Bt1S0.465.327
91P0696946-76Bt2S0.135.429
91P0697076-125Bt3S0.135.421
91P06971125-151BC1S0.065.44
91P06972151-165BC2S0.065.52
91P06973165-183BC3S0.055.52


*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM
Sampled As:LeadvilleLoamy-skeletal, mixed Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1067
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
91P0696820.0-46.0Bt1tclyMT 5KK 2MI 2MC 1QZ 1 216.3 1.2
91P0697076.0-125.0Bt3tclyMT 5MI 1KK 1 195.7 0.9

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
KK KaoliniteMC Montmorillonite-ChloriteMI MicaMT MontmorilloniteQZ Quartz

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


*** Primary Characterization Data ***
Pedon ID: 91CO055005( Huerfano, Colorado )Print Date: Apr 29 2025 9:16AM
Sampled As:LeadvilleLoamy-skeletal, mixed Typic Cryoboralfs
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1067
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
91P0696820.0-46.0Bt1fs 53QZ 50FK 30OW 9OP 3MS 2BT 2
PR 2CL 1FP trRA trGN trHN tr
91P0697076.0-125.0Bt3fs 52QZ 50FK 25BT 8OW 7CL 4MS 3
PR 2OP 2AR trGN tr

FRACTION INTERPRETATION:
fs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable AggregatesBT BiotiteCL ChloriteFK Potassium FeldsparFP Plagioclase Feldspar
GN GarnetHN HornblendeMS MuscoviteOP OpaquesOW Other Weatherable Minerals
PR PyroxeneQZ QuartzRA Resistant Aggregates
NSSC SSL Report Creation