| *** Taxonomy Characterization Data *** |
| Pedon ID: 80MT015002 | ( Chouteau, Montana ) | Print Date: Nov 21 2024 2:09PM |
| Sampled as on Jul 30, 1980: | Bearpaw V ; Fine, montmorillonitic Typic Haploboroll |
| Revised to correlated: | Linwell ; Fine, smectitic Typic Haploborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP80NL274 CROP EVALUATION RESEARCH SEA-ARS | Natural Resources Conservation Service |
| - | Site ID | S1980MT015002 Lat: 47° 40' 22.99" north Long: 110° 41' 54.99" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 80P0422 | 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 | 4A1d | ||||||||||
| 80P02285 | 0-15 | Ap | S | 45.9 | 0.33 | 10 | 1 | ||||||
| 80P02286 | 15-33 | Bk1 | S | 49.1 | 7.3 | 0.32 | 3 | 1.27 | 0.045 | tr | |||
| 80P02287 | 33-61 | Bk2 | S | 52.1 | 3.2 | 0.30 | 2 | 1.27 | 0.048 | tr | |||
| 80P02288 | 61-94 | Bk3 | S | 41.3 | -- | 0.30 | 13 | 1.38 | 0.056 | 2 | |||
| 80P02289 | 94-122 | C11 | S | 37.5 | 0.37 | 2 | 1.36 | 0.029 | tr | ||||
| 80P02290 | 122-152 | C12 | S | 41.2 | 0.36 | 6 | tr | ||||||
| 80P02291 | 152-183 | C21 | S | 26.6 | 0.37 | 19 | 1.63 | 0.026 | 2 | ||||
| 80P02292 | 183-213 | C22 | S | 31.0 | 0.46 | 19 | 3 | ||||||
| 80P02293 | 226-244 | C3 | S | 31.6 | 0.47 | 16 | 1.59 | 0.024 | 1 | ||||
| 80P02294 | 274-305 | C41 | S | 31.9 | 0.46 | 14 | 1.68 | 0.036 | 1 | ||||
| 80P02295 | 305-335 | C42 | S | 34.6 | 0.45 | 13 | 1.64 | 0.035 | 1 | ||||
| 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 | % | |||||||||||
| 8C1a | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 80P02285 | 0-15 | Ap | S | 7.4 | 1.45 | tr | 100* | 89 | 0.61 | 0.65 | -- | ||||||||
| 80P02286 | 15-33 | Bk1 | S | 7.9 | 1.09 | 13 | 100* | 100 | 0.50 | 0.46 | tr | ||||||||
| 80P02287 | 33-61 | Bk2 | S | 8.3 | 0.60 | 11 | 100* | 100 | 0.50 | 0.43 | 1 | ||||||||
| 80P02288 | 61-94 | Bk3 | S | 7.9 | 0.36 | 8 | 100* | 100 | 0.51 | 3.66 | 1 | ||||||||
| 80P02289 | 94-122 | C11 | S | 7.8 | 0.27 | 5 | 100 | 0.57 | 3.73 | 2 | |||||||||
| 80P02290 | 122-152 | C12 | S | 7.7 | 0.25 | 4 | 100 | 0.54 | 4.70 | 3 | |||||||||
| 80P02291 | 152-183 | C21 | S | 7.9 | 0.19 | 6 | 100* | 100 | 0.57 | 5.64 | 6 | ||||||||
| 80P02292 | 183-213 | C22 | S | 7.9 | 0.26 | 5 | 100* | 100 | 0.56 | 6.06 | 6 | ||||||||
| 80P02293 | 226-244 | C3 | S | 7.9 | 0.32 | 5 | 100* | 100 | 0.56 | 6.76 | 9 | ||||||||
| 80P02294 | 274-305 | C41 | S | 8.1 | 0.29 | 5 | 100* | 100 | 0.59 | 7.05 | 13 | ||||||||
| 80P02295 | 305-335 | C42 | S | 8.1 | 0.27 | 5 | 100* | 100 | 0.56 | 7.80 | 15 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.53 | (NA) | |
| Clay, carbonate free, Weighted Average | 44 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 7 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 46 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||