| *** Taxonomy Characterization Data *** |
| Pedon ID: S1968MT013006 | ( Cascade, Montana ) | Print Date: Jan 29 2025 2:09PM |
| Sampled as on Jul 15, 1968: | Scobey |
| Revised to correlated: | Scobey ; Fine, smectitic, frigid Aridic Argiborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1968MT013006 Lat: 47° 40' 58.67" north Long: 111° 12' 5.12" west MLRA: 58A | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A3671 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| 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 | 3A1a1a | NK | ||||||||||
| 40A28299 | 0-18 | Ap | S | 27.9 | 16.3 | -- | 0.35 | 21 | 2 | ||||
| 40A28300 | 18-30 | Bt1 | S | 42.5 | 29.5 | -- | 0.36 | 16 | 1.40 | 0.046 | -- | ||
| 40A28301 | 30-41 | Bt2 | S | 39.4 | -- | 0.35 | 18 | 1.36 | 0.047 | -- | |||
| 40A28302 | 41-56 | B1 | S | 35.8 | 5.0 | 0.33 | 17 | 1.31 | 0.027 | -- | |||
| 40A28303 | 56-71 | Bk1 | S | 36.3 | 6.0 | 0.31 | 17 | 1.38 | 0.028 | -- | |||
| 40A28304 | 71-102 | Bk2 | S | 34.7 | 12.4 | 3.0 | 0.28 | 29 | 1.52 | 0.024 | 6 | ||
| 40A28305 | 102-122 | Bk3 | S | 34.8 | -- | 0.30 | 29 | 1.53 | 0.032 | 4 | |||
| 40A28306 | 122-155 | B2 | S | 30.6 | -- | 0.35 | 26 | 4 | |||||
| 40A28307 | 155-196 | By | S | 31.2 | -- | 0.36 | 21 | 1.64 | 0.025 | 2 | |||
| 40A28308 | 196-226 | C | S | 31.5 | -- | 0.37 | 30 | 6 | |||||
| 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 | % | |||||||||||
| NK | NK | NK | NK | 5D2 | |||||||||||||||
| 40A28299 | 0-18 | Ap | S | 5.9 | 1.30 | -- | 82 | 74 | 0.65 | 1 | |||||||||
| 40A28300 | 18-30 | Bt1 | S | 6.5 | 0.88 | -- | 90 | 83 | 0.63 | tr | |||||||||
| 40A28301 | 30-41 | Bt2 | S | 7.5 | 0.88 | 4 | 96 | 100 | 0.66 | tr | |||||||||
| 40A28302 | 41-56 | B1 | S | 7.9 | 0.91 | 13 | 100* | 100 | 0.57 | tr | |||||||||
| 40A28303 | 56-71 | Bk1 | S | 8.0 | 0.74 | 15 | 100* | 100 | 0.51 | 1 | |||||||||
| 40A28304 | 71-102 | Bk2 | S | 8.4 | 0.48 | 10 | 100* | 100 | 0.52 | 4 | |||||||||
| 40A28305 | 102-122 | Bk3 | S | 8.3 | 0.32 | 7 | 100* | 100 | 0.52 | 2.30 | 7 | ||||||||
| 40A28306 | 122-155 | B2 | S | 8.0 | 0.36 | 5 | 100 | 0.51 | 6.90 | 5 | |||||||||
| 40A28307 | 155-196 | By | S | 7.8 | 0.36 | 5 | 100 | 0.57 | 18 | ||||||||||
| 40A28308 | 196-226 | C | S | 7.7 | 0.34 | 5 | 100 | 0.55 | 7.43 | 6 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.64 | (NA) | |
| Clay, carbonate free, Weighted Average | 41 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 17 | % wt | |
| Clay, total, Weighted Average | 41 | % wt | |
| Weighted averages based on control section: 18-41 cm | |||