| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT041007 | ( Hill, Montana ) | Print Date: Feb 17 2025 2:48AM |
| Sampled as on Aug 27, 1991: | Havre ; Fine-loamy, mixed (calcareous), frigid Ustic Torrifluvent |
| Revised to correlated: | Thibadeau ; Fine-loamy, mixed, superactive, calcareous, frigid Aridic Ustifluvents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91MT253 HILL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT041007 Lat: 48° 47' 40.00" north Long: 110° 8' 4.99" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 91P1132 | 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 | |||||||||||
| 91P07615 | 0-5 | A | S | 11.5 | 0.59 | 28 | |||||||
| 91P07616 | 5-36 | C1 | S | 11.2 | 0.67 | 41 | |||||||
| 91P07617 | 36-66 | C2 | S | 17.0 | 0.52 | 10 | |||||||
| 91P07618 | 66-86 | C3 | S | 9.2 | 0.46 | 41 | |||||||
| 91P07619 | 86-152 | C4 | S | 34.0 | 1.3 | 0.58 | 7 | ||||||
| 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 | ||||||||||||
| 91P07615 | 0-5 | A | S | 7.7 | 2.00 | 4 | 100* | 98 | 1.18 | 1.05 | 2 | ||||||||
| 91P07616 | 5-36 | C1 | S | 8.4 | 0.80 | 7 | 100* | 100 | 0.96 | 11.40 | 9 | ||||||||
| 91P07617 | 36-66 | C2 | S | 9.6 | 0.84 | 10 | 100* | 100 | 0.79 | 23.80 | 25 | ||||||||
| 91P07618 | 66-86 | C3 | S | 9.0 | 0.30 | 9 | 100* | 100 | 0.85 | 22.50 | 86 | ||||||||
| 91P07619 | 86-152 | C4 | S | 9.2 | 0.57 | 7 | 100* | 100 | 0.66 | 14.30 | 39 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.81 | (NA) | |
| Clay, carbonate free, Weighted Average | 17 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 22 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 17 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||