| *** Taxonomy Characterization Data *** |
| Pedon ID: 90CA109119 | ( Tuolumne, California ) | Print Date: Apr 21 2026 6:29PM |
| Sampled as on Aug 1, 1990: | Chaix ; Loamy-skeletal, mixed, mesic Dystric Xerochrept |
| Revised to correlated on Dec 21, 2015: | Chaix ; Loamy-skeletal, mixed, superactive, mesic Humic Dystroxerepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91CA174 STANISLAUSE NF | Natural Resources Conservation Service |
| - | Site ID | S1990CA109119 Lat: 37° 51' 36.00" north Long: 119° 56' 0.00" west MLRA: 22A | National Soil Survey Center | |
| - | Pedon No. | 91P0737 | 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 | ||||||||||||
| 91P04148 | 0-23 | A | S | 8.8 | 1.28 | 87 | 62 | ||||||
| 91P04149 | 23-84 | Bw | S | 4.6 | 1.54 | 91 | 68 | ||||||
| 91P04150 | 84-97 | C | S | 5.7 | 1.37 | 85 | 58 | ||||||
| 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 | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 91P04148 | 0-23 | A | S | 6.2 | 4.70 | 67 | 53 | 2.59 | -- | ||||||||||
| 91P04149 | 23-84 | Bw | S | 5.2 | 0.57 | 34 | 35 | 3.8 | 1.98 | 0.83 | 18 | 1 | |||||||
| 91P04150 | 84-97 | C | S | 5.2 | 0.36 | 35 | 34 | 3.9 | 1.63 | 0.68 | 15 | 1 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.92 | (NA) | |
| Clay, carbonate free, Weighted Average | 5 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 90 | % wt | |
| Volume, >2mm, Weighted Average | 67 | % vol | |
| Clay, total, Weighted Average | 5 | % wt | |
| Weighted averages based on control section: 25-97 cm | |||