| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT041002 | ( Hill, Montana ) | Print Date: Nov 21 2024 2:05PM |
| Sampled as on Aug 1, 1991: | Havre ; Fine-loamy, mixed (calcareous), frigid Ustic Torriorthent |
| Revised to correlated: | Bullhook ; Fine-loamy, mixed, superactive, calcareous, frigid Aridic Ustifluvents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91MT253 HILL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT041002 Lat: 48° 50' 31.99" north Long: 110° 8' 18.01" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 91P1127 | 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 | |||||||||||
| 91P07588 | 0-8 | A | S | 14.9 | 0.3 | 0.58 | 8 | ||||||
| 91P07589 | 8-20 | C1 | S | 16.0 | 0.9 | 0.56 | 11 | ||||||
| 91P07590 | 20-51 | C2 | S | 13.6 | 0.9 | 0.61 | 11 | ||||||
| 91P07591 | 51-114 | C3 | S | 10.3 | 0.3 | 0.50 | 33 | ||||||
| 91P07592 | 114-152 | C4 | S | 5.5 | 0.3 | 0.73 | 46 | ||||||
| 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 | ||||||||||||
| 91P07588 | 0-8 | A | S | 8.7 | 0.74 | 7 | 100* | 100 | 0.91 | 2.25 | 40 | ||||||||
| 91P07589 | 8-20 | C1 | S | 8.6 | 0.63 | 7 | 100* | 100 | 0.94 | 5.99 | 50 | ||||||||
| 91P07590 | 20-51 | C2 | S | 8.4 | 0.56 | 8 | 100* | 100 | 0.96 | 11.50 | 39 | ||||||||
| 91P07591 | 51-114 | C3 | S | 8.4 | 0.28 | 6 | 100* | 100 | 0.97 | 12.00 | 44 | ||||||||
| 91P07592 | 114-152 | C4 | S | 8.7 | 0.04 | 5 | 100* | 100 | 1.07 | 14.40 | 39 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.01 | (NA) | |
| Clay, carbonate free, Weighted Average | 11 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 25 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 11 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||