| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT015831 | ( Chouteau, Montana ) | Print Date: Nov 27 2024 9:28AM |
| Sampled as on Aug 30, 1991: | Eaglecreek |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP92MT053 CHOUTEAU COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT015831 Lat: 48° 7' 1.00" north Long: 109° 44' 11.00" west | National Soil Survey Center | |
| - | Pedon No. | 92P0254 | 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 | ||||||||||||
| 92P01688 | 0-10 | A | S | 17.4 | 1.03 | 39 | 5 | ||||||
| 92P01689 | 10-18 | E | S | 19.5 | 0.69 | 41 | 5 | ||||||
| 92P01690 | 18-43 | Bt1 | S | 14.9 | 0.73 | 57 | 9 | ||||||
| 92P01691 | 43-61 | Bt2 | S | 13.4 | 0.87 | 55 | 6 | ||||||
| 92P01692 | 61-84 | Cr | S | 1.00 | |||||||||
| 92P01692 | 61-84 | Cr | GP | 7.6 | |||||||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 92P01688 | 0-10 | A | S | 5.8 | 5.03 | 100* | 73 | 2.11 | -- | ||||||||||
| 92P01689 | 10-18 | E | S | 6.0 | 1.78 | 100* | 77 | 1.62 | -- | ||||||||||
| 92P01690 | 18-43 | Bt1 | S | 6.1 | 0.82 | 92 | 78 | 2.02 | -- | ||||||||||
| 92P01691 | 43-61 | Bt2 | S | 6.4 | 0.66 | 96 | 81 | 2.50 | 1 | ||||||||||
| 92P01692 | 61-84 | Cr | S | 3.33 | |||||||||||||||
| 92P01692 | 61-84 | Cr | GP | 7.2 | 0.17 | 1 | |||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 2.22 | (NA) | |
| Clay, carbonate free, Weighted Average | 14 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 56 | % wt | |
| Volume, >2mm, Weighted Average | 8 | % vol | |
| Clay, total, Weighted Average | 14 | % wt | |
| Weighted averages based on control section: 18-61 cm | |||