*** Primary Characterization Data ***
Pedon ID: 91CO117002( Summit, Colorado )Print Date: Nov 21 2024 12:59PM

Sampled as on Jun 29, 1991:Leighcan ; Loamy-skeletal, mixed Dystric Cryochrepts
Revised to correlated on Sep 1, 1992:(unnamed) ; Loamy-skeletal, micaceous Dystric Cryochrept
United States Department of Agriculture
SSL-ProjectCP91CO239   HOLY CROSS RANGER DISTRICTNatural Resources Conservation Service
-Site IDS1991CO117002   Lat: 39° 25' 57.00" north  Long: 106° 4' 2.00" west  MLRA: 48ANational Soil Survey Center
-Pedon No. 91P1046Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866
LayerHorizonOrig HznDepth (cm)Field Label 1Field Label 2Field Label 3Field TextureLab Texture
 
91P06809Oi/OeOI+OE3-0
91P06810AA0-3SIL
91P06811EE3-18SIL
91P06812E/BE/B18-36L
91P06813BwBw36-61FSL
91P06814BCdBCD61-81SL
91P06815CdCD81-152SL
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.64(NA)
Clay, carbonate free, Weighted Average8% wt
Weighted Particles, 0.1-75mm, 75 mm Base73% wt
Volume, >2mm, Weighted Average63% vol
Clay, total, Weighted Average8% wt
 
Weighted averages based on control section: 25-100 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
3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3A1a1a3B13B13B1
 
91P068093-0Oi/OeS--12
91P068100-3ASsil19.753.826.536.417.410.76.43.52.73.24922856
91P068113-18ESsil10.157.532.436.321.214.08.04.13.52.871544079
91P0681218-36E/BSl11.040.448.627.712.712.212.78.48.56.8153837381
91P0681336-61BwSfsl10.834.454.820.513.915.815.38.28.07.5153757487
91P0681461-81BCdSsl7.429.762.918.111.615.412.810.910.513.31638--7678
91P0681581-152CdSsl4.730.165.215.414.720.014.19.610.511.0241246866


*** Primary Characterization Data ***
Pedon ID: 91CO117002( Summit, Colorado )Print Date: Nov 21 2024 12:59PM
Sampled As:LeighcanLoamy-skeletal, mixed Dystric Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1046
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%
4A1d4A1h4B1c3C2a1a4B2b3D14C18D18D1
 
91P068093-0Oi/OeS44.41.076
91P068093-0Oi/OeM70.3
91P068100-3AS13.71.0301.290.70
91P068113-18ES0.440.720.09549.115.61.0390.092.311.54
91P0681218-36E/BS0.620.680.01552.66.51.0140.141.130.59
91P0681336-61BwS1.071.110.00327.05.21.0080.060.590.48
91P0681461-81BCdS3.21.0050.530.43
91P0681581-152CdS1.91.0040.530.40
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
 
91P0681336-61BwS9.6
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
 
91P068093-0Oi/OeS25.3530.22
91P068100-3AS4.044.112.10.40.10.40.3
91P068113-18ES3.503.212.80.80.10.40.6
91P0681218-36E/BS0.790.821.80.2tr0.20.3
91P0681336-61BwS0.170.271.20.2tr0.20.2
91P0681461-81BCdS0.100.130.90.1tr0.10.2
91P0681581-152CdS0.070.100.60.1trtr0.1


*** Primary Characterization Data ***
Pedon ID: 91CO117002( Summit, Colorado )Print Date: Nov 21 2024 12:59PM
Sampled As:LeighcanLoamy-skeletal, mixed Dystric Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1046
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 - - -)(- - - - - - - - % - - - - - - - -)
6N2e6O2d6P2b6Q2b6H5a6G9c5A3a5A8b5A3b5G15C35C1
 
91P068093-0Oi/OeS56.63.9--1.641.472.1
91P068100-3AS12.41.3--0.714.420.51.134.925.515.574156
91P068113-18ES4.30.7--0.55.526.02.031.523.37.5271724
91P0681218-36E/BS1.10.4--0.21.714.54.116.212.45.8711014
91P0681336-61BwS0.90.4--0.11.46.21.77.66.43.1551822
91P0681461-81BCdS0.60.2----0.83.50.84.33.91.6501921
91P0681581-152CdS0.90.3--0.11.31.7--3.02.54352
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 - -)%
 
91P068100-3AS--
91P068113-18ES--
91P0681218-36E/BS--
91P0681336-61BwS--
91P0681461-81BCdS--
91P0681581-152CdS--


*** Primary Characterization Data ***
Pedon ID: 91CO117002( Summit, Colorado )Print Date: Nov 21 2024 12:59PM
Sampled As:LeighcanLoamy-skeletal, mixed Dystric Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1046
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
 
91P068093-0Oi/OeS5.25.4
91P068100-3AS4.85.2
91P068113-18ES4.75.2
91P0681218-36E/BS4.04.7
91P0681336-61BwS4.14.8
91P0681461-81BCdS4.25.0
91P0681581-152CdS4.55.2
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
 
91P068093-0Oi/OeS4625.355.4
91P068100-3AS4.045.26
91P068113-18ES3.505.23
91P0681218-36E/BS0.794.715
91P0681336-61BwS0.174.815
91P0681461-81BCdS0.105.021
91P0681581-152CdS0.075.217


*** Primary Characterization Data ***
Pedon ID: 91CO117002( Summit, Colorado )Print Date: Nov 21 2024 12:59PM
Sampled As:LeighcanLoamy-skeletal, mixed Dystric Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1046
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
91P0681336.0-61.0BwtclyKK 4MI 3VR 3CL 2QZ 1 1810.3 2.8

FRACTION INTERPRETATION:
tcly - Total Clay <0.002 mm

MINERAL INTERPRETATION:
CL ChloriteKK KaoliniteMI MicaQZ QuartzVR Vermiculite

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


*** Primary Characterization Data ***
Pedon ID: 91CO117002( Summit, Colorado )Print Date: Nov 21 2024 12:59PM
Sampled As:LeighcanLoamy-skeletal, mixed Dystric Cryochrepts
USDA-NRCS-NSSC-Soil Survey Laboratory;Pedon No.  91P1046
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
91P0681336.0-61.0Bwvfs 46QZ 46MS 28BT 11OW 8FK 6CL 1
PR trCA tr
91P0681336.0-61.0Bwfs 51QZ 50MS 17MI 16FK 6CL 6BT 3
OW 1CD 1GN trOP trFC trAR tr
QC tr

FRACTION INTERPRETATION:
vfs - Very Fine Sand 0.05-0.1 mmfs - Fine Sand 0.1-0.25 mm

MINERAL INTERPRETATION:
AR Weatherable AggregatesBT BiotiteCA CalciteCD Chert (ChalcedonyCL Chlorite
FC MicroclineFK Potassium FeldsparGN GarnetMI MicaMS Muscovite
OP OpaquesOW Other Weatherable MineralsPR PyroxeneQC Clay-Coated QuartzQZ Quartz
NSSC SSL Report Creation