| *** Primary Characterization Data *** |
| Pedon ID: 90MT097007 | ( Sweet Grass, Montana ) | Print Date: Nov 11 2024 11:39PM |
| Sampled as on Apr 20, 1991: | Mcdonaldsville ; Fine-loamy over sandy or sandy-skeletal, mixed, frigid Typic Argiaquolls |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91MT068 SWEET GRASS COUNTY BULK DENSITY | Natural Resources Conservation Service |
| - | Site ID | S1990MT097007 Lat: 46° 8' 36.70" north Long: 110° 0' 27.91" west | National Soil Survey Center | |
| - | Pedon No. | 91P0257 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 91P01572 | A | A | 0-20 | CL | SCL | |||
| 91P01573 | Bt | Bt | 20-46 | CL | L | |||
| 91P01574 | 2Bk | 2Bk | 46-76 | LCOS | COSL | |||
| 91P01575 | 2C | 2C | 76-152 | COS | LCOS | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.86 | (NA) | |
| Clay, carbonate free, Weighted Average | 25 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 38 | % wt | |
| Volume, >2mm, Weighted Average | 8 | % vol | |
| Clay, total, Weighted Average | 25 | % wt | |
| Weighted averages based on control section: 20-46 cm | |||
| PSDA & Rock Fragments | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| (- - - - - Total - - - - - -) | (- - Clay - - -) | (- - - - Silt - - - - -) | (- - - - - - - - - - - - Sand - - - - - - - - - - - -) | ( Rock Fragments (mm) ) | |||||||||||||||||
| Lab | Clay | Silt | Sand | Fine | CO3 | Fine | Coarse | VF | F | M | C | VC | (- - - - - - - - Weight - - - - - - - -) | >2 mm | |||||||
| Text- | < | .002 | .05 | < | < | .002 | .02 | .05 | .10 | .25 | .5 | 1 | 2 | 5 | 20 | .1- | wt % | ||||
| Depth | ure | .002 | -.05 | -2 | .0002 | .002 | -.02 | -.05 | -.10 | -.25 | -.50 | -1 | -2 | -5 | -20 | -75 | 75 | whole | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - % of <75mm - - - - - -) | soil | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | ||||||||
| 91P01572 | 0-20 | A | S | scl | 24.7 | 23.8 | 51.5 | 15.0 | 8.8 | 11.3 | 14.3 | 8.3 | 8.8 | 8.8 | 15 | 33 | -- | 69 | 48 | ||
| 91P01573 | 20-46 | Bt | S | l | 25.1 | 31.3 | 43.6 | 18.7 | 12.6 | 14.8 | 13.7 | 7.1 | 5.1 | 2.9 | 5 | 8 | -- | 38 | 13 | ||
| 91P01574 | 46-76 | 2Bk | S | cosl | 9.4 | 20.0 | 70.6 | 12.7 | 7.3 | 8.1 | 15.0 | 16.2 | 17.1 | 14.2 | 14 | 32 | -- | 80 | 50 | ||
| 91P01575 | 76-152 | 2C | S | lcos | 5.2 | 10.2 | 84.6 | 5.5 | 4.7 | 1.8 | 6.5 | 20.9 | 31.1 | 24.3 | 17 | 40 | -- | 93 | 65 | ||
| *** Primary Characterization Data *** |
| Pedon ID: 90MT097007 | ( Sweet Grass, Montana ) | Print Date: Nov 11 2024 11:39PM |
| Sampled As | : | Mcdonaldsville | Fine-loamy over sandy or sandy-skeletal, mixed, frigid Typic Argiaquolls | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0257 | |||
| Bulk Density & Moisture | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (Bulk Density) | Cole | (- - - - - - - - - - - Water Content - - - - - - - - - - -) | ( Air Dry-Oven Dry ) | WRD | Aggst | ||||||||||||
| 33 | Oven | Whole | 6 | 10 | 33 | 1500 | 1500 kPa | (- - - - Ratio - - - -) | Whole | Stabl | (- - Ratio/Clay - -) | ||||||
| Depth | kPa | Dry | Soil | kPa | kPa | kPa | kPa | Moist | Corrected | Soil | 2-0.5mm | CEC7 | 1500 kPa | ||||
| Layer | (cm) | Horz | Prep | (- - - g cm-3 - - -) | (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) | cm3 cm-3 | % | ||||||||||
| 3C2a1a | 3D1 | 8D1 | 8D1 | ||||||||||||||
| 91P01572 | 0-20 | A | S | 15.3 | 1.021 | 1.00 | 0.62 | ||||||||||
| 91P01573 | 20-46 | Bt | S | 11.8 | 1.021 | 0.86 | 0.47 | ||||||||||
| 91P01574 | 46-76 | 2Bk | S | 5.7 | 1.010 | 1.01 | 0.61 | ||||||||||
| 91P01575 | 76-152 | 2C | S | 4.0 | 1.005 | 1.29 | 0.77 | ||||||||||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 6A1c | ||||||||||||||||||||||
| 91P01572 | 0-20 | A | S | 3.38 | ||||||||||||||||||
| 91P01573 | 20-46 | Bt | S | 0.89 | ||||||||||||||||||
| 91P01574 | 46-76 | 2Bk | S | 0.63 | ||||||||||||||||||
| 91P01575 | 76-152 | 2C | S | 0.11 | ||||||||||||||||||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 6N2e | 6O2d | 6P2b | 6Q2b | 6H5a | 5A8b | 5C3 | 5C1 | ||||||||||
| 91P01572 | 0-20 | A | S | 23.1* | 3.8 | 0.1 | 0.5 | 2.8 | 24.7 | 91 | 100 | ||||||
| 91P01573 | 20-46 | Bt | S | 19.2* | 3.7 | 0.1 | 0.3 | 2.2 | 21.5 | 91 | 100 | ||||||
| 91P01574 | 46-76 | 2Bk | S | 28.0* | 1.9 | tr | 0.1 | 9.5 | 100 | 100 | |||||||
| 91P01575 | 76-152 | 2C | S | 23.4* | 1.4 | tr | 0.1 | 6.7 | 100 | 100 | |||||||
| *** Primary Characterization Data *** |
| Pedon ID: 90MT097007 | ( Sweet Grass, Montana ) | Print Date: Nov 11 2024 11:39PM |
| Sampled As | : | Mcdonaldsville | Fine-loamy over sandy or sandy-skeletal, mixed, frigid Typic Argiaquolls | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0257 | |||
| Salt | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -) | 1:2 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 91P01572 | 0-20 | A | S | tr | |||||||||||||||||||
| 91P01573 | 20-46 | Bt | S | tr | |||||||||||||||||||
| 91P01574 | 46-76 | 2Bk | S | -- | |||||||||||||||||||
| 91P01575 | 76-152 | 2C | S | -- | |||||||||||||||||||
| pH & Carbonates | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| (- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -) | (- - Carbonate - -) | (- - Gypsum - - -) | ||||||||||||
| CaCl2 | As CaCO3 | As CaSO4*2H2O | Resist | |||||||||||
| Depth | 0.01M | H2O | Sat | <2mm | <20mm | <2mm | <20mm | ohms | ||||||
| Layer | (cm) | Horz | Prep | KCl | 1:2 | 1:1 | Paste | Oxid | NaF | (- - - - - - - - - - - - % - - - - - - - - - - -) | cm-1 | |||
| 4C1a2a | 4C1a2a | 6E1g | ||||||||||||
| 91P01572 | 0-20 | A | S | 7.2 | 7.7 | tr | ||||||||
| 91P01573 | 20-46 | Bt | S | 7.3 | 7.7 | 1 | ||||||||
| 91P01574 | 46-76 | 2Bk | S | 7.4 | 7.9 | 5 | ||||||||
| 91P01575 | 76-152 | 2C | S | 7.6 | 8.2 | 6 | ||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 90MT097007 | ( Sweet Grass, Montana ) | Print Date: Nov 11 2024 11:39PM |
| Sampled As | : | Mcdonaldsville | Fine-loamy over sandy or sandy-skeletal, mixed, frigid Typic Argiaquolls | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 91P0257 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A2i | 7C3 | tion | |||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 91P01572 | 0.0-20.0 | A | tcly | MI 4 | KK 2 | QZ 1 | 24 | 9.6 | 3.6 | ||||||||||||
| 91P01573 | 20.0-46.0 | Bt | tcly | MI 3 | MT 2 | KK 2 | QZ 1 | 26 | 11.3 | 3.1 | |||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| KK Kaolinite | MI Mica | MT Montmorillonite | QZ Quartz | |
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |