| *** Taxonomy Characterization Data *** |
| Pedon ID: 84MT015493 | ( Chouteau, Montana ) | Print Date: Nov 23 2024 7:06AM |
| Sampled as on Jun 1, 1984: | Pendroy ; Very-fine, montmorillonitic, frigid Udorthentic Chromustert |
| Revised to correlated: | PENDROY ; Very-fine, montmorillonitic, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP85MT104 CHOTEAU AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1984MT015493 Lat: 48° 1' 55.67" north Long: 111° 10' 25.15" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 85P0355 | 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 | ||||||||||||
| 85P01713 | 0-15 | Ap | S | 69.1 | 0.36 | 3 | tr | ||||||
| 85P01714 | 15-41 | Bw1 | S | 69.8 | 0.37 | 3 | tr | ||||||
| 85P01715 | 41-71 | Bw2 | S | 74.0 | 0.33 | 2 | -- | ||||||
| 85P01716 | 71-97 | Bk | S | 76.9 | 0.34 | 1 | tr | ||||||
| 85P01717 | 97-127 | C1 | S | 72.0 | 0.35 | 1 | tr | ||||||
| 85P01718 | 127-152 | C2 | S | 84.1 | 0.36 | 1 | tr | ||||||
| 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 | 8A3a | ||||||||||||||||
| 85P01713 | 0-15 | Ap | S | 7.8 | 0.97 | 3 | |||||||||||||
| 85P01714 | 15-41 | Bw1 | S | 8.2 | 0.78 | 4 | |||||||||||||
| 85P01715 | 41-71 | Bw2 | S | 8.2 | 0.64 | 4 | |||||||||||||
| 85P01716 | 71-97 | Bk | S | 7.8 | 0.60 | 3 | 4.27 | ||||||||||||
| 85P01717 | 97-127 | C1 | S | 7.8 | 0.49 | 3 | 4.36 | ||||||||||||
| 85P01718 | 127-152 | C2 | S | 7.7 | 0.54 | tr | 4.14 | ||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 74 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 74 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||