| *** Taxonomy Characterization Data *** |
| Pedon ID: 92MT041002 | ( Hill, Montana ) | Print Date: Nov 23 2024 7:08AM |
| Sampled as on May 26, 1992: | Obrien ; Fine-loamy, mixed Pachic Haploboroll |
| Revised to correlated: | Obrien ; Fine-loamy, mixed, superactive, frigid Pachic Haploborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP92MT207 HILL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1992MT041002 Lat: 48° 21' 39.00" north Long: 109° 40' 53.99" west MLRA: 46 | National Soil Survey Center | |
| - | Pedon No. | 92P0726 | 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 | ||||||||||||
| 92P04414 | 0-20 | A1 | S | 20.8 | 0.73 | 36 | 5 | ||||||
| 92P04415 | 20-74 | A2 | S | 18.2 | 0.64 | 34 | 5 | ||||||
| 92P04416 | 74-109 | Bk1 | S | 21.5 | 0.60 | 30 | 5 | ||||||
| 92P04417 | 109-152 | Bk2 | S | 20.2 | 0.55 | 29 | 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 | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 92P04414 | 0-20 | A1 | S | 6.9 | 3.20 | 100* | 37 | 1.49 | tr | ||||||||||
| 92P04415 | 20-74 | A2 | S | 7.8 | 1.64 | 1 | 100* | 40 | 1.37 | 0.71 | tr | ||||||||
| 92P04416 | 74-109 | Bk1 | S | 8.0 | 1.99 | 1 | 100* | 100 | 1.32 | 0.68 | tr | ||||||||
| 92P04417 | 109-152 | Bk2 | S | 8.1 | 1.24 | tr | 100* | 100 | 1.19 | 0.62 | tr | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.35 | (NA) | |
| Clay, carbonate free, Weighted Average | 19 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 33 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Clay, total, Weighted Average | 19 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||