| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT049002 | ( Lewis and Clark, Montana ) | Print Date: Dec 11 2024 8:48PM |
| Sampled as on Oct 1, 1977: | Baxendale ; Coarse-loamy, mixed Typic Argiborolls |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP92MT126 LEWIS AND CLARK COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT049002 Lat: 46° 34' 33.64" north Long: 112° 14' 27.18" west | National Soil Survey Center | |
| - | Pedon No. | 92P0498 | 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 | 7B1a2 | ||||||||||
| 92P02903 | 0-13 | A1 | S | 13.1 | 0.59 | 55 | 5 | ||||||
| 92P02904 | 13-23 | A2 | S | 18.0 | 0.48 | 59 | 8 | ||||||
| 92P02905 | 23-36 | Bt1 | S | 18.9 | 11.5 | 0.47 | 64 | 9 | 14 | ||||
| 92P02906 | 36-56 | Bt2 | S | 13.9 | 6.8 | 0.59 | 69 | 12 | 20 | ||||
| 92P02907 | 56-152 | C | S | 8.2 | 0.70 | 82 | 19 | ||||||
| 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 | 6S4 | 8D1 | 5D2 | |||||||||||||
| 92P02903 | 0-13 | A1 | S | 6.4 | 2.48 | 95 | 82 | 20 | 1.25 | -- | |||||||||
| 92P02904 | 13-23 | A2 | S | 6.4 | 1.13 | 94 | 83 | 26 | 1.00 | -- | |||||||||
| 92P02905 | 23-36 | Bt1 | S | 6.5 | 0.92 | 97 | 88 | 26 | 1.01 | -- | |||||||||
| 92P02906 | 36-56 | Bt2 | S | 6.8 | 0.43 | 97 | 90 | 16 | 1.04 | -- | |||||||||
| 92P02907 | 56-152 | C | S | 7.2 | 0.20 | 100* | 90 | 20 | 1.50 | 1 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.03 | (NA) | |
| Clay, carbonate free, Weighted Average | 16 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 67 | % wt | |
| Volume, >2mm, Weighted Average | 11 | % vol | |
| Clay, total, Weighted Average | 16 | % wt | |
| Weighted averages based on control section: 23-56 cm | |||