| *** Taxonomy Characterization Data *** |
| Pedon ID: 90CA109113 | ( Tuolumne, California ) | Print Date: Nov 14 2025 11:23AM |
| Sampled as on Aug 1, 1990: | Pilliken ; Coarse-loamy, mixed, mesic Entic Xerumbrept |
| Revised to correlated on Dec 26, 2015: | Pilliken ; Sandy, mesic Typic Humixerepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91CA174 STANISLAUSE NF | Natural Resources Conservation Service |
| - | Site ID | S1990CA109113 Lat: 38° 1' 52.99" north Long: 120° 0' 51.00" west MLRA: 22A | National Soil Survey Center | |
| - | Pedon No. | 91P0731 | 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 | ||||||||||||
| 91P04125 | 0-20 | A | S | 3.9 | 1.95 | 70 | 9 | ||||||
| 91P04126 | 20-36 | AB | S | 5.7 | 1.19 | 68 | 6 | ||||||
| 91P04127 | 36-71 | AC | S | 5.8 | 1.21 | 67 | 7 | ||||||
| 91P04128 | 71-114 | C1 | S | 6.2 | 1.06 | 69 | 6 | ||||||
| 91P04129 | 114-152 | C2 | S | 8.7 | 0.87 | 68 | 10 | ||||||
| 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 | 8D1 | 5D2 | ||||||||||||||
| 91P04125 | 0-20 | A | S | 6.0 | 3.58 | 41 | 25 | 3.90 | -- | ||||||||||
| 91P04126 | 20-36 | AB | S | 5.9 | 1.43 | 29 | 16 | 1.51 | -- | ||||||||||
| 91P04127 | 36-71 | AC | S | 5.9 | 1.00 | 31 | 19 | 1.34 | -- | ||||||||||
| 91P04128 | 71-114 | C1 | S | 6.1 | 0.44 | 25 | 16 | 0.97 | -- | ||||||||||
| 91P04129 | 114-152 | C2 | S | 6.1 | 0.49 | 32 | 23 | 0.76 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.22 | (NA) | |
| Clay, carbonate free, Weighted Average | 6 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 68 | % wt | |
| Volume, >2mm, Weighted Average | 7 | % vol | |
| Clay, total, Weighted Average | 6 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||