*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM

Sampled as on Jul 30, 1991:Hechtman ; Loamy-skeletal, mixed Lithic Cryochrepts
Revised to correlated on Apr 1, 1993:(unnamed) ; Loamy-skeletal, micaceous Lithic Cryochrept
United States Department of Agriculture
SSL-ProjectCP91CO227   ROOSEVELT NATIONAL FORESTNatural Resources Conservation Service
-Site IDS1991CO069005   Lat: 40° 37' 40.00" north  Long: 105° 28' 47.00" west  MLRA: 48ANational Soil Survey Center
-Pedon No. 91P0996Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P06234OeOE2-0
91P06235EE0-10SL SL
91P06236BwBw10-28SL SL
91P06237CrCR28-49SL
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average1.32(NA)
Clay, carbonate free, Weighted Average9% wt
Weighted Particles, 0.1-75mm, 75 mm Base80% wt
Volume, >2mm, Weighted Average44% vol
Clay, total, Weighted Average9% wt
 
Weighted averages based on control section: 0-28 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P062342-0OeS18--
91P062350-10ESsl8.132.559.415.816.712.914.311.910.49.91016257451
91P0623610-28BwSsl9.119.871.19.810.015.722.015.712.25.5927278363
91P0623728-49CrSsl11.015.973.16.99.012.825.319.612.23.2938208767


*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM
Sampled As:HechtmanLoamy-skeletal, mixed Lithic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0996
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
 
91P062342-0OeS45.41.055
91P062342-0OeM45.4
91P062350-10ES1.541.570.00415.612.15.01.0110.071.250.62
91P0623610-28BwS1.421.450.00414.44.61.0120.071.360.51
91P0623728-49CrS2.282.300.0015.65.91.023--1.610.54
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 - - - - - - - - - - - - - - - - - - - - - -)
4F3C1e1a
 
91P062350-10ESNP7.5
91P0623610-28BwSNP
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 - - - - -)
6A2d6B3a6A1c6C2b6G7a6D2a6C8a6G10
 
91P062342-0OeS38.231.20249.96
91P062350-10ES1.281.181.20.1tr0.10.2
91P0623610-28BwS0.350.411.80.1--tr0.1
91P0623728-49CrS0.310.393.40.2--tr0.1


*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM
Sampled As:HechtmanLoamy-skeletal, mixed Lithic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0996
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a6G9c5A3a5A8b5C35C1
 
91P062342-0OeS29.55.10.61.256.60.672.3
91P062350-10ES3.50.90.20.14.75.0--9.710.14847
91P0623610-28BwS6.62.30.20.19.25.4--14.612.46374
91P0623728-49CrS15.7*5.20.20.121.26.4--27.617.777100

*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 - -)%
 
91P062350-10ES2
91P0623610-28BwS2
91P0623728-49CrS1
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
4C1a2a34C1a2a4C1a2a
 
91P062342-0OeS3.84.54.6
91P062350-10ES3.84.55.0
91P0623610-28BwS3.44.85.1
91P0623728-49CrS3.24.95.4


*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM
Sampled As:HechtmanLoamy-skeletal, mixed Lithic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0996
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
5A6A2d6B3a4C1a2a
 
91P062342-0OeS2238.231.2024.6
91P062350-10ES1.285.038
91P0623610-28BwS0.355.148
91P0623728-49CrS0.315.465


*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM
Sampled As:HechtmanLoamy-skeletal, mixed Lithic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0996
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
91P0623610.0-28.0BwtclyMI 3KK 2QZ 2VR 1CA 1 1315.7 3.2

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CA CalciteKK KaoliniteMI MicaQZ QuartzVR Vermiculite

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


*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM
Sampled As:HechtmanLoamy-skeletal, mixed Lithic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0996
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
91P062350.0-10.0Ecsi 48QZ 47FK 18MS 13BT 11OW 6AM 2
HN 1PO 1GS trZR trOP trGN tr
PR trTM trCL tr
91P062350.0-10.0Efs 0FP 35BT 26MS 25FK 11OW 3MI tr
QZ trHN trPR tr
91P0623610.0-28.0Bwvfs 9MS 54BT 24QZ 9FK 7OW 3FP 1
HN 1MI trPR trCL trFE trGS tr
FC trOP trGN tr
91P0623610.0-28.0Bwfs 19MS 45QZ 19BT 17OW 12FK 7CA tr
OP tr

FRACTION INTERPRETATION:
csi - Coarse Silt 0.02-0.05 mmvfs - Very Fine Sand 0.05-0.1 mmfs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AM AmphiboleBT BiotiteCA CalciteCL ChloriteFC Microcline
FE Iron Oxides (GoethiteFK Potassium FeldsparFP Plagioclase FeldsparGN GarnetGS Glass


*** Primary Characterization Data ***
Pedon ID: 91CO069005( Larimer, Colorado )Print Date: Feb 16 2025 7:31AM
Sampled As:HechtmanLoamy-skeletal, mixed Lithic Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P0996
MINERAL INTERPRETATION:
HN HornblendeMI MicaMS MuscoviteOP OpaquesOW Other Weatherable Minerals
PO Plant OpalPR PyroxeneQZ QuartzTM TourmalineZR Zircon
NSSC SSL Report Creation