*** Taxonomy Characterization Data ***
Pedon ID: 77MT055028( McCone, Montana )Print Date: Nov 23 2024 7:16AM

Sampled as on Mar 1, 1977:Pendroy ; Very-fine, montmorillonitic (calcareous) Ustertic Torriorthent
Revised to correlated:Pendroy ; Very-fine, smectitic, frigid Udorthentic Chromusterts
United States Department of Agriculture
SSL-ProjectRP78MT023   MCCONE COUNTYNatural Resources Conservation Service
-Site IDS1977MT055028   Lat: 48° 1' 2.00" north  Long: 105° 19' 9.99" west  MLRA: 53ANational Soil Survey Center
-Pedon No. 78P0074Soil Survey Laboratory
-General Methods 1B1A, 2A1, 2BLincoln, Nebraska 68508-3866

Taxonomy Tier 1-1--2--3--4--5--6--7--8--9--10-
 
FineCaCO31500.1-75BulkColeVolResist
ClayClayClaykPaClaymmDenWhole% ofMin
Depth<.002<.0002<.002/ClayEstFrac33 kPaSoilWhole%
Layer(cm)HorzPrep(---------% of <2 mm-------)(-------- % --------)g cm-3cm cm-1
3A1a1a3A1a1a3A1a1a8D1
 
78P003940-10ApS59.820.10.402--
78P0039518-43Bz1S64.125.80.10.402--
78P0039643-79Bz2S61.727.40.413tr

Taxonomy Tier 2-1--2--3--4--5--6--7--8--9--10--11--12--13--14--15--16-
 
pHpHOrgTotAl+½ FeCO3 as(--- Base Sat ---)NZECECCEC7ECECAl
DepthH2ONaFCCOxalODOECaCO3NH4BasesP Retcmol(+)/Clay/ClaySatE CESP
Layer(cm)HorzPrep(------------------------------------------ % --------------------------------------------)kg -1%dS m-1%
8C1a6A1c6E1b5C15C38D18A1a5D2
 
78P003940-10ApS8.12.301100*1000.740.653
78P0039518-43Bz1S8.41.174100*1000.650.9211
78P0039643-79Bz2S8.51.164100*1000.662.9016

*Extractable Ca may contain Ca from calcium carbonate or gypsum.
Pedon Calculations
Calculation NameResultUnits of Measure
 
CEC Activity, CEC7/Clay, Weighted Average0.65(NA)
Clay, carbonate free, Weighted Average62% wt
Weighted Particles, 0.1-75mm, 75 mm Base3% wt
Volume, >2mm, Weighted Average0% vol
Clay, total, Weighted Average62% wt
 
Weighted averages based on control section: 25-79 cm
NSSC SSL Report Creation