| *** Taxonomy Characterization Data *** |
| Pedon ID: 90MT063001 | ( Missoula, Montana ) | Print Date: Nov 13 2024 2:26PM |
| Sampled as on Dec 1, 1990: | Irvine ; Fine, illitic (calcareous), frigid Typic Xerorthent |
| Revised to correlated: | Irvine ; Fine, illitic, calcareous, frigid Typic Xerorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP90MT116 MISSOULA COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1990MT063001 Lat: 46° 54' 8.57" north Long: 114° 5' 58.43" west MLRA: 44 | National Soil Survey Center | |
| - | Pedon No. | 90P0471 | 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 | 8D1 | |||||||||||
| 90P02606 | 0-15 | Ap | N | 53.0 | 2.9 | 0.34 | |||||||
| 90P02607 | 15-36 | C1 | N | 47.3 | 2.9 | 0.33 | |||||||
| 90P02608 | 36-152 | C2 | N | 56.9 | 0.9 | 0.33 | |||||||
| 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 | % | |||||||||||
| 4C1a2a | 6A1c | 6E1g | 8D1 | 8A3a | 5D2 | ||||||||||||||
| 90P02606 | 0-15 | Ap | N | 7.6 | 1.61 | 6 | 0.32 | 1.20 | 1 | ||||||||||
| 90P02607 | 15-36 | C1 | N | 7.6 | 0.63 | 7 | 0.43 | 3.47 | tr | ||||||||||
| 90P02608 | 36-152 | C2 | N | 8.1 | 0.13 | 4 | 0.26 | 7.52 | 5 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.29 | (NA) | |
| Clay, carbonate free, Weighted Average | 54 | % wt | |
| Clay, total, Weighted Average | 55 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||