| *** Taxonomy Characterization Data *** |
| Pedon ID: 91CO121001B | ( Washington, Colorado ) | Print Date: Jan 8 2026 1:01PM |
| Sampled as on Sep 3, 1991: | Stoneham ; Fine-loamy, mixed Ustollic Haplargids |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP92CO039 RANGE SOIL | Natural Resources Conservation Service |
| - | Site ID | S1991CO121001B Lat: 40° 22' 56.00" north Long: 103° 7' 42.00" west MLRA: 72 | National Soil Survey Center | |
| - | Pedon No. | 92P0187 | 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 | |||||||||||
| 92P01249 | 0-5 | A | S | 17.1 | 0.64 | 13 | |||||||
| 92P01250 | 5-13 | Bt1 | S | 22.8 | 0.52 | 21 | |||||||
| 92P01251 | 13-28 | Bt2 | S | 29.8 | 2.6 | 0.49 | 23 | 1 | |||||
| 92P01252 | 28-43 | Btk | S | 29.9 | 4.4 | 0.46 | 16 | 2 | |||||
| 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 | 8A3a | 5D2 | ||||||||||||
| 92P01249 | 0-5 | A | S | 7.0 | 2.64 | 100* | 79 | 0.98 | 1.18 | -- | |||||||||
| 92P01250 | 5-13 | Bt1 | S | 7.1 | 1.19 | 100* | 91 | 0.84 | 1 | ||||||||||
| 92P01251 | 13-28 | Bt2 | S | 8.1 | 1.03 | 5 | 100* | 100 | 0.87 | 0.56 | 1 | ||||||||
| 92P01252 | 28-43 | Btk | S | 8.3 | 0.74 | 11 | 100* | 100 | 0.59 | 0.54 | 3 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.83 | (NA) | |
| Clay, carbonate free, Weighted Average | 26 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 20 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 28 | % wt | |
| Weighted averages based on control section: 5-43 cm | |||