| *** Supplementary Characterization Data *** |
| Pedon ID: S2021MT003703 | ( Big Horn, Montana ) | Print Date: Dec 8 2025 5:08PM |
| Sampled as on Oct 28, 2021: | Eapa ; Fine-loamy, mixed, superactive, frigid Aridic Argiustoll |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2022USMT016 UMRWP Montana Region 5 | Natural Resources Conservation Service |
| - | Site ID | S2021MT003703 Lat: 45° 35' 9.80" north Long: 107° 26' 17.99" west MLRA: 58A | National Soil Survey Center | |
| - | Pedon No. | 22N0084 | Kellogg Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | -21- | -22- | -23- | -24- | -25- | |||
| (- - - - - - - - - - - - - - - - - - - - - - Engineering PSDA - - - - - - - - - - - - - - - - - - - - -) | (- - - - - Cumulative Curve Fractions - - - - -) (<75mm) | ( Atter- ) | ( Gradation ) | |||||||||||||||||||||||||
| Percentage Passing Sieve | USDA Less Than Diameters (mm) at | berg | Uni- | Cur- | ||||||||||||||||||||||||
| Depth | 3 | 2 | 3/2 | 1 | 3/4 | 3/8 | 4 | 10 | 40 | 200 | 20 | 5 | 2 | 1. | .5 | .25 | .10 | .05 | 60 | 50 | 10 | LL | PI | fmty | vtur | |||
| Layer | (cm) | Horz | Prep | (-------------------Inches-------------------) | (---------Number---------) | (------Microns----) | (---------Millimeter----------) | (-----Percentile---) | (----%----) | CU | CC | |||||||||||||||||
| 22N00448 | 0-10 | A | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 98 | 98 | 80 | 46 | 33 | 24 | 98 | 98 | 97 | 86 | 70 | 0.03 | 0.023 | 0.001 | 64.9 | 0.8 | ||
| 22N00449 | 10-43 | Bt | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 92 | 73 | 55 | 44 | 99 | 99 | 99 | 96 | 87 | 0.01 | 0.003 | tr | 21.1 | 0.4 | ||
| 22N00450 | 43-62 | Bk1 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 96 | 81 | 52 | 39 | 31 | 96 | 96 | 95 | 87 | 73 | 0.03 | 0.015 | tr | 66.4 | 0.3 | ||
| 22N00451 | 62-104 | Bk2 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 73 | 45 | 33 | 26 | 100 | 100 | 99 | 80 | 62 | 0.05 | 0.027 | tr | 94.1 | 0.5 | ||
| 22N00452 | 104-200 | BCk | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 71 | 48 | 36 | 28 | 100 | 100 | 99 | 78 | 63 | 0.04 | 0.023 | tr | 92.5 | 0.3 | ||
| Tier 2 | -26- | -27- | -28- | -29- | -30- | -31- | -32- | -33- | -34- | -35- | -36- | -37- | -38- | -39- | -40- | -41- | -42- | -43- | -44- | -45- | -46- | -47- | -48- | -49- | -50- | |||||
| (- - - - - - - - - - - - - - - - - - - - - - Weight Fractions - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - - - - - Weight Per Unit Volume (g cm-3 )- - - - - - - -) | (- - Void - -) | ||||||||||||||||||||||||||||
| Whole Soil (mm) | <75 mm Fraction | Whole Soil | <2 mm Fraction | Ratios | ||||||||||||||||||||||||||
| >2 | 250 | 250 | 75 | 75 | 20 | 5 | 75 | 75 | 20 | 5 | Soil Sur | Engineering | Soil Survey | Engineering | At 33 kPa | |||||||||||||||
| Depth | -UP | -75 | -2 | -20 | -5 | -2 | <2 | -2 | -20 | -5 | -2 | <2 | 33 | Oven | Moist | Satur | 33 | 1500 | Oven | Moist | Satur | Whole | <2 | |||||||
| Layer | (cm) | Horz | Prep | (------------------- % of Whole Soil ------------------) | (--------- % of <75 mm ---------) | kPa | -dry | -ated | kPa | kPa | -dry | -ated | Soil | mm | ||||||||||||||||
| DbWR1 | DbWR1 | |||||||||||||||||||||||||||||
| 22N00448 | 0-10 | A | S | 2 | 2 | -- | tr | 2 | 98 | 2 | -- | tr | 2 | 98 | 1.46 | 1.59 | 1.69 | 1.91 | 1.45 | 1.50 | 1.58 | 1.69 | 1.90 | 0.82 | 0.83 | |||||
| 22N00449 | 10-43 | Bt | S | 1 | 1 | -- | -- | 1 | 99 | 1 | -- | -- | 1 | 99 | 1.32 | 1.60 | 1.72 | 1.82 | 1.31 | 1.44 | 1.59 | 1.70 | 1.82 | 1.01 | 1.02 | |||||
| 22N00450 | 43-62 | Bk1 | S | 4 | 4 | -- | -- | 4 | 96 | 4 | -- | -- | 4 | 96 | 1.35 | 1.51 | 1.66 | 1.84 | 1.32 | 1.41 | 1.48 | 1.63 | 1.82 | 0.96 | 1.01 | |||||
| 22N00451 | 62-104 | Bk2 | S | tr | tr | -- | -- | tr | 100 | tr | -- | -- | tr | 100 | 1.35 | 1.51 | 1.62 | 1.84 | 1.35 | 1.44 | 1.51 | 1.62 | 1.84 | 0.96 | 0.96 | |||||
| 22N00452 | 104-200 | BCk | S | -- | -- | -- | -- | -- | 100 | -- | -- | -- | -- | 100 | 1.34 | 1.47 | 1.61 | 1.83 | 1.34 | 1.41 | 1.47 | 1.61 | 1.83 | 0.98 | 0.98 | |||||
| *** Supplementary Characterization Data *** |
| Pedon ID: S2021MT003703 | ( Big Horn, Montana ) | Print Date: Dec 8 2025 5:08PM |
| Sampled As | : | Eapa | Fine-loamy, mixed, superactive, frigid Aridic Argiustoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 22N0084 | |||
| Tier 3 | -51- | -52- | -53- | -54- | -55- | -56- | -57- | -58- | -59- | -60- | -61- | -62- | -63- | -64- | -65- | -66- | -67- | -68- | -69- | -70- | -71- | -72- | -73- | -74- | -75- | |||
| (- - - - - - - - - - - - - - - - - Volume Fractions - - - - - - - - - - - - - - - -) | C | (- - - - - - - Ratios To Clay - - - - - -) | (- - Linear Extensiblity - -) | (- - WRD - -) | ||||||||||||||||||||||||
| Whole Soil (mm) At 33 kPa | /N | <2 mm Fraction | Whole Soil | <2 mm | Whole | <2 | ||||||||||||||||||||||
| >2 | 250 | 250 | 75 | 75 | 20 | 5 | 2- | .05- | LT | Pores | Rat | Fine | CEC | 1500 | LEP | 33 kPa | to % | Soil | mm | |||||||||
| Depth | -UP | -75 | -2 | -20 | -5 | -2 | <2 | .05 | .002 | .002 | D | F | -io | Clay | Sum | NH4- | kPa | 33 | 1500 | Oven | 1500 | Oven | ||||||
| Layer | (cm) | Horz | Prep | (----------------------------- % of Whole Soil ---------------------------) | Cats | OAC | H2O | kPa | kPa | -dry | kPa | -dry | (---in3/in3---) | |||||||||||||||
| 22N00448 | 0-10 | A | S | 1 | -- | -- | 1 | -- | tr | 1 | 99 | 15 | 25 | 13 | 22 | 23 | 8 | 0.52 | 0.44 | 0.119 | 1.1 | 2.9 | 1.1 | 2.9 | 0.08 | 0.08 | ||
| 22N00449 | 10-43 | Bt | S | tr | -- | -- | tr | -- | -- | tr | 100 | 6 | 22 | 22 | 10 | 40 | 5 | 0.41 | 0.39 | 0.151 | 3.2 | 6.6 | 3.2 | 6.7 | 0.16 | 0.17 | ||
| 22N00450 | 43-62 | Bk1 | S | 2 | -- | -- | 2 | -- | -- | 2 | 98 | 12 | 21 | 15 | 18 | 31 | 3 | 0.36 | 0.122 | 2.2 | 3.8 | 2.2 | 3.9 | 0.16 | 0.16 | |||
| 22N00451 | 62-104 | Bk2 | S | tr | -- | -- | tr | -- | -- | tr | 100 | 19 | 18 | 13 | 22 | 27 | 3 | 0.36 | 0.146 | 2.2 | 3.8 | 2.2 | 3.8 | 0.14 | 0.14 | |||
| 22N00452 | 104-200 | BCk | S | -- | -- | -- | -- | -- | -- | -- | 100 | 19 | 18 | 14 | 22 | 27 | 3 | 0.38 | 0.112 | 1.7 | 3.1 | 1.7 | 3.1 | 0.13 | 0.13 | |||
| Tier 4 | -76- | -77- | -78- | -79- | -80- | -81- | -82- | -83- | -84- | -85- | -86- | -87- | -88- | -89- | -90- | -91- | -92- | -93- | -94- | -95- | -96- | -97- | -98- | |||
| (- - - - - - - - - - - - - - - - - - - Weight Fractions - Clay Free - - - - - - - - - - - - - - - - - -) | Text | PSDA (mm) | pH | Elect. | Part- | |||||||||||||||||||||
| (--------------- Whole Soil ---------------) | (------------------- <2 mm Fraction -------------------) | -ure | Sand | Silt | Clay | Ca | Res- | Con- | -icle | |||||||||||||||||
| >2 | 75 | 20 | 2- | .05- | < | (------------- Sands -------------) | (--- Silts ---) | Cl | by | 2- | .05- | < | Cl2 | ist. | duct | Den- | ||||||||||
| Depth | -2 | -2 | .05 | .002 | .002 | VC | C | M | F | VF | C | F | ay | PSDA | .05 | .002 | .002 | .01M | ohms | dS m-1 | sity | |||||
| Layer | (cm) | Horz | Prep | (- % of >2 mm Sand and Silt -) | (------------------% of Sand and Silt -------------) | <2 mm | (---- % of 2 mm ----) | (-------- <2 mm --------) | g cm-3 | |||||||||||||||||
| 3A1a1a | 4C1a2a | 4F2 | ||||||||||||||||||||||||
| 22N00448 | 0-10 | A | S | 3 | 3 | 3 | 37 | 60 | 31 | -- | tr | 1 | 15 | 22 | 32 | 30 | 32 | l | 28.8 | 46.9 | 24.3 | 6.8 | 1.07 | |||
| 22N00449 | 10-43 | Bt | S | 2 | 2 | 2 | 21 | 77 | 78 | -- | tr | tr | 6 | 15 | 26 | 53 | 80 | sic | 11.9 | 43.8 | 44.3 | 7.3 | 0.68 | |||
| 22N00450 | 43-62 | Bk1 | S | 6 | 6 | 6 | 34 | 61 | 44 | -- | tr | 1 | 13 | 22 | 31 | 33 | 47 | cl | 24.3 | 43.8 | 31.9 | 8.1 | 0.46 | |||
| 22N00451 | 62-104 | Bk2 | S | -- | -- | -- | 52 | 48 | 35 | -- | tr | 2 | 25 | 25 | 23 | 25 | 35 | l | 38.2 | 35.7 | 26.1 | 8.3 | 0.52 | |||
| 22N00452 | 104-200 | BCk | S | -- | -- | -- | 52 | 48 | 38 | -- | tr | 1 | 29 | 21 | 21 | 27 | 38 | cl | 37.3 | 35.0 | 27.7 | 8.1 | 4.73 | |||