| *** Taxonomy Characterization Data *** |
| Pedon ID: 91MT041003 | ( Hill, Montana ) | Print Date: Feb 17 2025 5:42AM |
| Sampled as on Jul 12, 1991: | Hingham ; Coarse-silty, mixed Aridic Haploboroll |
| Revised to correlated: | Hingham ; Coarse-silty, mixed, superactive, frigid Aridic Haploborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91MT253 HILL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1991MT041003 Lat: 48° 30' 38.00" north Long: 110° 18' 20.99" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 91P1128 | 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 | |||||||||||
| 91P07593 | 0-15 | Ap | S | 10.4 | 0.49 | 36 | 1 | ||||||
| 91P07594 | 15-36 | Bw | S | 11.9 | 0.53 | 27 | |||||||
| 91P07595 | 36-56 | Bk1 | S | 12.6 | 2.5 | 0.52 | 6 | ||||||
| 91P07596 | 56-89 | Bk2 | S | 10.7 | 2.2 | 0.52 | 10 | ||||||
| 91P07597 | 89-152 | Bk3 | S | 6.3 | 0.56 | 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 | 5D2 | |||||||||||||
| 91P07593 | 0-15 | Ap | S | 7.6 | 0.78 | -- | 100* | 88 | 1.01 | 2 | |||||||||
| 91P07594 | 15-36 | Bw | S | 7.5 | 0.59 | 100* | 90 | 1.10 | 2 | ||||||||||
| 91P07595 | 36-56 | Bk1 | S | 7.9 | 0.67 | 12 | 100* | 100 | 0.94 | 1 | |||||||||
| 91P07596 | 56-89 | Bk2 | S | 8.4 | 0.34 | 10 | 100* | 100 | 0.93 | 1 | |||||||||
| 91P07597 | 89-152 | Bk3 | S | 8.5 | 0.16 | 12 | 100* | 100 | 1.22 | 3 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.17 | (NA) | |
| Clay, carbonate free, Weighted Average | 9 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 11 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||