| *** Taxonomy Characterization Data *** |
| Pedon ID: 83CA105010 | ( Trinity, California ) | Print Date: Apr 12 2026 3:33AM |
| Sampled as on Oct 1, 1983: | Bamtush ; Loamy-skeletal, mixed, mesic Mollic Palexeralf |
| Revised to correlated: | Bamtush ; Loamy-skeletal, mixed, superactive, mesic Mollic Palexeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP84CA024 TRINITY COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1983CA105010 Lat: 40° 39' 47.00" north Long: 122° 48' 33.99" west MLRA: 5 | National Soil Survey Center | |
| - | Pedon No. | 84P0085 | 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 | ||||||||||
| 84P00417 | 0-5 | A | S | 13.2 | 4.6 | 0.98 | 63 | 22 | |||||
| 84P00418 | 5-15 | BAt | S | 14.5 | 4.7 | 0.75 | 69 | 1.09 | 0.025 | 33 | |||
| 84P00419 | 15-38 | Bt1 | S | 15.0 | 5.9 | 0.76 | 62 | 26 | |||||
| 84P00420 | 38-69 | Bt2 | S | 16.3 | 7.8 | 0.69 | 74 | 1.12 | 0.025 | 41 | |||
| 84P00421 | 69-127 | Bt3 | S | 16.4 | 8.1 | 0.78 | 76 | 1.24 | 0.017 | 43 | |||
| 84P00422 | 127-175 | Bt4 | S | 16.8 | 7.7 | 0.81 | 66 | 32 | |||||
| 84P00423 | 175-198 | BCt | S | 18.4 | 8.0 | 0.84 | 67 | 1.30 | 0.021 | 34 | |||
| 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 | 5D2 | |||||||||||||
| 84P00417 | 0-5 | A | S | 6.0 | 4.39 | 79 | 66 | 1.86 | -- | ||||||||||
| 84P00418 | 5-15 | BAt | S | 6.7 | 1.57 | 88 | 74 | 1.29 | 1 | ||||||||||
| 84P00419 | 15-38 | Bt1 | S | 6.8 | 1.28 | 89 | 75 | 1.16 | -- | ||||||||||
| 84P00420 | 38-69 | Bt2 | S | 7.0 | 0.43 | -- | 90 | 80 | 0.95 | -- | |||||||||
| 84P00421 | 69-127 | Bt3 | S | 7.0 | 0.27 | -- | 91 | 81 | 1.06 | -- | |||||||||
| 84P00422 | 127-175 | Bt4 | S | 7.1 | 0.24 | -- | 94 | 83 | 1.12 | -- | |||||||||
| 84P00423 | 175-198 | BCt | S | 7.1 | 0.27 | -- | 95 | 84 | 1.13 | -- | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.06 | (NA) | |
| Clay, carbonate free, Weighted Average | 16 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 68 | % wt | |
| Volume, >2mm, Weighted Average | 36 | % vol | |
| Clay, total, Weighted Average | 16 | % wt | |
| Weighted averages based on control section: 13-63 cm | |||