| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT041004 | ( Hill, Montana ) | Print Date: Dec 4 2024 3:28AM |
| Sampled as on Aug 19, 1991: | Lonesome ; Sandy over loamy, mixed (calcareous), frigid Ustic Torriorthent |
| Revised to correlated: | Lonesome ; Sandy over loamy, mixed, superactive, calcareous, frigid Aridic Ustorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91MT253 HILL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT041004 Lat: 48° 53' 52.00" north Long: 109° 51' 39.00" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 91P1129 | 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 | |||||||||||
| 91P07598 | 0-18 | A | S | 5.7 | 0.63 | 58 | 1 | ||||||
| 91P07599 | 18-53 | Bw | S | 6.8 | 0.59 | 63 | |||||||
| 91P07600 | 53-104 | 2Bk1 | S | 6.5 | 0.62 | 59 | |||||||
| 91P07601 | 104-152 | 2Bk2 | S | 13.1 | 0.3 | 0.53 | 22 | ||||||
| 91P07602 | 43-53 | Bw | S | 14.5 | 1.2 | 0.39 | 30 | 1 | |||||
| 91P07603 | 53-64 | 2Bk1 | S | 14.4 | 0.3 | 0.38 | 41 | 3 | |||||
| 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 | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 91P07598 | 0-18 | A | S | 6.6 | 0.91 | 100* | 80 | 1.18 | 9 | ||||||||||
| 91P07599 | 18-53 | Bw | S | 6.8 | 0.38 | 100* | 87 | 1.10 | 1 | ||||||||||
| 91P07600 | 53-104 | 2Bk1 | S | 6.9 | 0.34 | 100* | 100 | 1.15 | 1 | ||||||||||
| 91P07601 | 104-152 | 2Bk2 | S | 7.7 | 0.66 | 1 | 100* | 100 | 0.69 | 0.51 | 2 | ||||||||
| 91P07602 | 43-53 | Bw | S | 8.2 | 0.34 | 8 | 100* | 100 | 0.78 | 3 | |||||||||
| 91P07603 | 53-64 | 2Bk1 | S | 8.8 | 0.24 | 7 | 100* | 100 | 0.76 | 0.70 | 12 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.13 | (NA) | |
| Clay, carbonate free, Weighted Average | 7 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 60 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 7 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||