| *** Taxonomy Characterization Data *** |
| Pedon ID: 84MT015459 | ( Chouteau, Montana ) | Print Date: Dec 7 2025 11:46PM |
| Sampled as on Mar 1, 1991: | Lonna ; Fine-silty, mixed Borollic Camborthid |
| Revised to correlated on Mar 1, 1991: | Lonna ; Fine-silty, mixed, superactive Borollic Camborthid |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP85MT104 CHOTEAU AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | 84MT015459 MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 85P0354 | 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 | |||||||||||
| 85P01708 | 0-15 | Ap | S | 38.6 | 0.38 | 2 | tr | ||||||
| 85P01709 | 15-28 | Bw | S | 34.0 | 0.39 | 1 | tr | ||||||
| 85P01710 | 28-56 | Bk | S | 29.3 | 0.37 | tr | -- | ||||||
| 85P01711 | 56-86 | By | S | 30.0 | 0.35 | 5 | 1 | ||||||
| 85P01712 | 85-152 | C | S | 27.4 | 1.8 | 0.40 | 1 | 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 | % | |||||||||||
| 4C1a2a | 6A1c | 6E1g | 8A3a | ||||||||||||||||
| 85P01708 | 0-15 | Ap | S | 7.8 | 1.40 | 8 | |||||||||||||
| 85P01709 | 15-28 | Bw | S | 8.2 | 1.04 | 10 | |||||||||||||
| 85P01710 | 28-56 | Bk | S | 8.4 | 0.76 | 9 | 0.50 | ||||||||||||
| 85P01711 | 56-86 | By | S | 8.1 | 0.46 | 7 | 6.19 | ||||||||||||
| 85P01712 | 85-152 | C | S | 8.2 | 0.33 | 7 | 10.37 | ||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 24 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 24 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||