| *** Taxonomy Characterization Data *** |
| Pedon ID: S1974MT063018 | ( Missoula, Montana ) | Print Date: Feb 16 2025 6:13AM |
| Sampled as on Oct 30, 1974: | Ambrant |
| Revised to correlated on Jan 25, 2010: | Ambrant ; Coarse-loamy, mixed, frigid Udic Ustochrept |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL74ID001 PONDEROSA PINE | Natural Resources Conservation Service |
| - | Site ID | S1974MT063018 Lat: 46° 48' 57.59" north Long: 113° 37' 31.37" west | National Soil Survey Center | |
| - | Pedon No. | 75C0013 | 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 | 8D1 | 4A1d | |||||||||||
| 75C00042 | 0-13 | E1 | S | 5.8 | 0.72 | 67 | 3 | ||||||
| 75C00043 | 13-51 | E2 | S | 7.1 | 0.66 | 62 | 1.48 | 0.016 | -- | ||||
| 75C00044 | 51-99 | ABb | S | 9.6 | 0.55 | 59 | 2 | ||||||
| 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 | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 75C00042 | 0-13 | E1 | S | 5.3 | 0.56 | 68 | 71 | 7.7 | 1.90 | 1.33 | 3 | -- | |||||||
| 75C00043 | 13-51 | E2 | S | 5.5 | 0.17 | 85 | 85 | 1.73 | -- | ||||||||||
| 75C00044 | 51-99 | ABb | S | 5.5 | 82 | 81 | 1.57 | 1 | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.63 | (NA) | |
| Clay, carbonate free, Weighted Average | 9 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 60 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 9 | % wt | |
| Weighted averages based on control section: 25-99 cm | |||