| *** Taxonomy Characterization Data *** |
| Pedon ID: 86TX193003 | ( Hamilton, Texas ) | Print Date: Jan 8 2026 11:04AM |
| Sampled as on Oct 1, 1986: | Eckrant ; Clayey-skeletal, montmorillonitic, thermic Lithic Haplustoll |
| Revised to correlated: | Eckrant ; Clayey-skeletal, smectitic, thermic Lithic Haplustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87TX020 HAMILTON COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1986TX193003 Lat: 31° 45' 15.00" north Long: 97° 55' 57.01" west MLRA: 85 | National Soil Survey Center | |
| - | Pedon No. | 87P0050 | 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 | 8D1 | 4A1d | |||||||||||
| 87P00283 | 0-8 | A1 | S | 51.1 | 0.51 | 17 | 1.16 | 0.103 | 26 | ||||
| 87P00284 | 8-23 | A2 | S | 58.4 | 0.51 | 46 | 48 | ||||||
| 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 | 6A2d | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | |||||||||||
| 87P00283 | 0-8 | A1 | S | 7.3 | 4.83 | 4.83 | 1 | 100* | 93 | 1.17 | 0.78 | tr | |||||||
| 87P00284 | 8-23 | A2 | S | 7.7 | 3.20 | 4.29 | 4 | 100* | 97 | 1.09 | 0.67 | tr | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.12 | (NA) | |
| Clay, carbonate free, Weighted Average | 56 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 36 | % wt | |
| Volume, >2mm, Weighted Average | 40 | % vol | |
| Clay, total, Weighted Average | 56 | % wt | |
| Weighted averages based on control section: 0-23 cm | |||