| *** Taxonomy Characterization Data *** |
| Pedon ID: 77MT055028 | ( McCone, Montana ) | Print Date: Nov 11 2024 8:41PM |
| 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 | - | Project | RP78MT023 MCCONE COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1977MT055028 Lat: 48° 1' 2.00" north Long: 105° 19' 9.99" west MLRA: 53A | National Soil Survey Center | |
| - | Pedon No. | 78P0074 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 8D1 | ||||||||||
| 78P00394 | 0-10 | Ap | S | 59.8 | 20.1 | 0.40 | 2 | -- | |||||
| 78P00395 | 18-43 | Bz1 | S | 64.1 | 25.8 | 0.1 | 0.40 | 2 | -- | ||||
| 78P00396 | 43-79 | Bz2 | S | 61.7 | 27.4 | 0.41 | 3 | tr | |||||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 8C1a | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 78P00394 | 0-10 | Ap | S | 8.1 | 2.30 | 1 | 100* | 100 | 0.74 | 0.65 | 3 | ||||||||
| 78P00395 | 18-43 | Bz1 | S | 8.4 | 1.17 | 4 | 100* | 100 | 0.65 | 0.92 | 11 | ||||||||
| 78P00396 | 43-79 | Bz2 | S | 8.5 | 1.16 | 4 | 100* | 100 | 0.66 | 2.90 | 16 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.65 | (NA) | |
| Clay, carbonate free, Weighted Average | 62 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 62 | % wt | |
| Weighted averages based on control section: 25-79 cm | |||