| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT049001 | ( Lewis and Clark, Montana ) | Print Date: Nov 27 2024 12:00PM |
| Sampled as on Aug 4, 1991: | Auchard ; Fine, mixed Typic Natriboralfs |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP92MT126 LEWIS AND CLARK COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT049001 Lat: 47° 21' 4.64" north Long: 112° 11' 35.24" west | National Soil Survey Center | |
| - | Pedon No. | 92P0497 | 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 | |||||||||||
| 92P02898 | 0-8 | E | S | 28.3 | 0.38 | 15 | |||||||
| 92P02899 | 8-23 | Btn | S | 54.8 | 0.34 | 10 | |||||||
| 92P02900 | 23-61 | Btkn | S | 48.4 | 3.2 | 0.32 | 10 | 1 | |||||
| 92P02901 | 61-84 | By | S | 57.1 | 1.3 | 0.33 | 9 | ||||||
| 92P02902 | 84-152 | Cr | S | 55.1 | 0.32 | 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 | 6S4 | 8D1 | 8A3a | 5D2 | |||||||||||
| 92P02898 | 0-8 | E | S | 6.8 | 3.09 | 97 | 81 | 16 | 0.68 | 0.89 | 1 | ||||||||
| 92P02899 | 8-23 | Btn | S | 7.8 | 1.25 | -- | 100* | 95 | 35 | 0.52 | 0.73 | 6 | |||||||
| 92P02900 | 23-61 | Btkn | S | 8.5 | 0.65 | 8 | 100* | 100 | 28 | 0.41 | 1.80 | 11 | |||||||
| 92P02901 | 61-84 | By | S | 7.9 | 0.47 | 4 | 100* | 100 | 28 | 0.41 | 5.59 | 14 | |||||||
| 92P02902 | 84-152 | Cr | S | 8.3 | 0.09 | -- | 100* | 100 | 20 | 0.44 | 1.75 | 19 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.46 | (NA) | |
| Clay, carbonate free, Weighted Average | 48 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 50 | % wt | |
| Weighted averages based on control section: 8-58 cm | |||