| *** Taxonomy Characterization Data *** |
| Pedon ID: 90MT063002 | ( Missoula, Montana ) | Print Date: Mar 13 2025 6:58PM |
| Sampled as on Dec 1, 1990: | Grassvalley ; Fine, illitic, frigid Typic Haploxeralf |
| Revised to correlated: | Grassvalley ; Fine, illitic, frigid Typic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP90MT116 MISSOULA COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1990MT063002 Lat: 46° 54' 14.58" north Long: 114° 5' 50.44" west MLRA: 44 | National Soil Survey Center | |
| - | Pedon No. | 90P0472 | 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 | |||||||||||
| 90P02609 | 0-18 | Ap | N | 50.0 | 0.35 | ||||||||
| 90P02610 | 18-38 | Bt | N | 59.4 | 0.32 | ||||||||
| 90P02611 | 38-76 | C1 | N | 46.4 | 1.7 | 0.34 | |||||||
| 90P02612 | 76-152 | C2 | N | 41.2 | 1.2 | 0.35 | |||||||
| 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 | ||||||||||||||
| 90P02609 | 0-18 | Ap | N | 6.8 | 1.94 | tr | 0.43 | 1.29 | 1 | ||||||||||
| 90P02610 | 18-38 | Bt | N | 7.4 | 0.80 | tr | 0.37 | 1 | |||||||||||
| 90P02611 | 38-76 | C1 | N | 7.9 | 0.31 | 6 | 0.33 | 5.22 | 7 | ||||||||||
| 90P02612 | 76-152 | C2 | N | 8.1 | 0.14 | 6 | 0.36 | 5.89 | 9 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.37 | (NA) | |
| Clay, carbonate free, Weighted Average | 59 | % wt | |
| Clay, total, Weighted Average | 59 | % wt | |
| Weighted averages based on control section: 18-38 cm | |||