| *** Taxonomy Characterization Data *** |
| Pedon ID: 89MT017007 | ( Custer, Montana ) | Print Date: Dec 5 2025 2:25PM |
| Sampled as on Apr 29, 1989: | Creed ; Fine, montmorillonitic Borollic Natrargids |
| Revised to correlated: | Creed ; Fine, smectitic Borollic Natrargid |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP89MT206 CUSTER COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1989MT017007 MLRA: 58A | National Soil Survey Center | |
| - | Pedon No. | 89P0637 | 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 | 3A1a1a | 8D1 | ||||||||||
| 89P03566 | 0-13 | Ap | S | 35.2 | 14.0 | 0.38 | 7 | -- | |||||
| 89P03567 | 13-33 | Btn | S | 43.1 | 26.7 | 0.41 | 4 | -- | |||||
| 89P03568 | 33-43 | Btkn | S | 42.2 | 23.4 | 0.40 | 5 | -- | |||||
| 89P03569 | 43-58 | Btk | S | 39.2 | 22.1 | 0.42 | 7 | -- | |||||
| 89P03570 | 58-79 | Bk | S | 32.3 | 17.4 | 1.1 | 0.45 | 23 | 3 | ||||
| 89P03571 | 79-122 | 2BC | S | 19.2 | 9.8 | 0.52 | 46 | 2 | |||||
| 89P03572 | 122-152 | 2By | S | 26.8 | 12.8 | 0.45 | 20 | 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 | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 89P03566 | 0-13 | Ap | S | 7.0 | 1.86 | 98 | 87 | 0.81 | 3 | ||||||||||
| 89P03567 | 13-33 | Btn | S | 7.6 | 1.54 | 100* | 92 | 0.77 | 4 | ||||||||||
| 89P03568 | 33-43 | Btkn | S | 8.6 | 1.39 | 2 | 100* | 100 | 0.73 | 0.54 | 6 | ||||||||
| 89P03569 | 43-58 | Btk | S | 8.7 | 1.33 | 2 | 100* | 100 | 0.72 | 0.62 | 9 | ||||||||
| 89P03570 | 58-79 | Bk | S | 8.7 | 1.06 | 6 | 100* | 100 | 0.72 | 0.88 | 10 | ||||||||
| 89P03571 | 79-122 | 2BC | S | 8.8 | 0.70 | 5 | 100* | 100 | 0.83 | 1.62 | 11 | ||||||||
| 89P03572 | 122-152 | 2By | S | 9.0 | 1.45 | 4 | 100* | 100 | 0.87 | 1.78 | 13 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.75 | (NA) | |
| Clay, carbonate free, Weighted Average | 42 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 5 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 42 | % wt | |
| Weighted averages based on control section: 13-58 cm | |||