| *** Supplementary Characterization Data *** |
| Pedon ID: 82MT073001 | ( Pondera, Montana ) | Print Date: Feb 16 2025 5:23AM |
| Sampled as on Oct 1, 1982: | Scobey ; Fine, montmorillonitic Aridic Argiboroll |
| Revised to correlated: | Scobey ; Fine, smectitic Aridic Argiborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP83NL194 INTERNATIONAL SOILS MUSEUM | Natural Resources Conservation Service |
| - | Site ID | S1982MT073001 Lat: 48° 18' 34.00" north Long: 111° 55' 26.00" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 83P0641 | 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 | |||||||||||||||||
| 4F1 | 4F | |||||||||||||||||||||||||||
| 83P03151 | 0-5 | Ap1 | S | 100 | 98 | 97 | 94 | 93 | 93 | 92 | 91 | 88 | 69 | 48 | 37 | 30 | 90 | 89 | 84 | 73 | 64 | 0.04 | 0.022 | -- | 36 | 19 | 90.1 | 0.2 |
| 83P03152 | 5-15 | Ap2 | S | 100 | 99 | 98 | 96 | 95 | 95 | 94 | 93 | 90 | 70 | 49 | 38 | 31 | 92 | 91 | 86 | 75 | 65 | 0.04 | 0.021 | -- | 36 | 19 | 89.5 | 0.2 |
| 83P03153 | 15-31 | Bt | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 97 | 86 | 63 | 52 | 45 | 99 | 98 | 95 | 89 | 83 | 0.01 | 0.004 | -- | 48 | 28 | 39.4 | 0.2 |
| 83P03154 | 31-46 | Bk1 | S | 100 | 99 | 99 | 98 | 98 | 97 | 95 | 93 | 89 | 71 | 52 | 41 | 34 | 92 | 90 | 85 | 75 | 66 | 0.03 | 0.015 | -- | 42 | 23 | 84.3 | 0.2 |
| 83P03155 | 46-65 | Bk2 | S | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 98 | 94 | 73 | 57 | 44 | 35 | 97 | 96 | 90 | 77 | 68 | 0.03 | 0.010 | -- | 39 | 18 | 68.8 | 0.2 |
| 83P03156 | 65-95 | Bk3 | S | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 98 | 95 | 82 | 66 | 49 | 38 | 98 | 96 | 93 | 85 | 79 | 0.01 | 0.005 | -- | 43 | 24 | 34.0 | 0.3 |
| 83P03157 | 95-130 | B | S | 100 | 99 | 99 | 98 | 98 | 97 | 96 | 95 | 93 | 84 | 68 | 49 | 37 | 94 | 93 | 91 | 86 | 82 | 0.01 | 0.005 | -- | 45 | 27 | 30.4 | 0.4 |
| 83P03158 | 130-160 | By | S | 100 | 100 | 100 | 99 | 99 | 99 | 98 | 96 | 94 | 83 | 65 | 49 | 38 | 96 | 95 | 93 | 86 | 80 | 0.01 | 0.006 | -- | 43 | 24 | 34.5 | 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 | ||||||||||||||||
| 3B1 | 3B1 | 3B1 | 4A1d | 4A1h | ||||||||||||||||||||||||||
| 83P03151 | 0-5 | Ap1 | S | 9 | -- | -- | 9 | 7 | 1 | 1 | 91 | 9 | 7 | 1 | 1 | 91 | 1.41 | 1.62 | 1.72 | 1.88 | 1.35 | 1.46 | 1.56 | 1.67 | 1.84 | 0.88 | 0.96 | |||
| 83P03152 | 5-15 | Ap2 | S | 7 | -- | -- | 7 | 5 | 1 | 1 | 93 | 7 | 5 | 1 | 1 | 93 | 1.50 | 1.69 | 1.82 | 1.93 | 1.45 | 1.54 | 1.64 | 1.77 | 1.90 | 0.77 | 0.83 | |||
| 83P03153 | 15-31 | Bt | S | 1 | -- | -- | 1 | -- | tr | 1 | 99 | 1 | -- | tr | 1 | 99 | 1.26 | 1.52 | 1.63 | 1.78 | 1.25 | 1.38 | 1.51 | 1.62 | 1.78 | 1.10 | 1.12 | |||
| 83P03154 | 31-46 | Bk1 | S | 7 | -- | -- | 7 | 2 | 3 | 2 | 93 | 7 | 2 | 3 | 2 | 93 | 1.26 | 1.38 | 1.59 | 1.78 | 1.22 | 1.29 | 1.34 | 1.56 | 1.76 | 1.10 | 1.17 | |||
| 83P03155 | 46-65 | Bk2 | S | 2 | -- | -- | 2 | -- | 1 | 1 | 98 | 2 | -- | 1 | 1 | 98 | 1.39 | 1.50 | 1.67 | 1.87 | 1.38 | 1.44 | 1.49 | 1.67 | 1.86 | 0.91 | 0.92 | |||
| 83P03156 | 65-95 | Bk3 | S | 2 | -- | -- | 2 | -- | 1 | 1 | 98 | 2 | -- | 1 | 1 | 98 | 1.66 | 1.77 | 1.88 | 2.03 | 1.64 | 1.65 | 1.75 | 1.85 | 2.02 | 0.60 | 0.62 | |||
| 83P03157 | 95-130 | B | S | 5 | -- | -- | 5 | 2 | 2 | 1 | 95 | 5 | 2 | 2 | 1 | 95 | 1.68 | 1.86 | 1.97 | 2.05 | 1.65 | 1.72 | 1.84 | 1.94 | 2.03 | 0.58 | 0.61 | |||
| 83P03158 | 130-160 | By | S | 4 | -- | -- | 4 | 1 | 1 | 2 | 96 | 4 | 1 | 1 | 2 | 96 | 1.58 | 1.81 | 1.88 | 1.98 | 1.56 | 1.64 | 1.79 | 1.88 | 1.97 | 0.68 | 0.70 | |||
| *** Supplementary Characterization Data *** |
| Pedon ID: 82MT073001 | ( Pondera, Montana ) | Print Date: Feb 16 2025 5:23AM |
| Sampled As | : | Scobey | Fine, montmorillonitic Aridic Argiboroll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 83P0641 | |||
| 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---) | |||||||||||||||
| 8D1 | 4C1 | |||||||||||||||||||||||||||
| 83P03151 | 0-5 | Ap1 | S | 5 | -- | -- | 5 | 4 | 1 | 1 | 95 | 14 | 19 | 16 | 16 | 31 | 10 | 0.51 | 0.37 | 0.150 | 2.5 | 2.6 | 0.15 | 0.16 | ||||
| 83P03152 | 5-15 | Ap2 | S | 4 | -- | -- | 4 | 3 | 1 | 1 | 96 | 16 | 19 | 18 | 12 | 31 | 8 | 0.54 | 0.73 | 0.38 | 0.130 | 1.7 | 2.0 | 0.13 | 0.14 | |||
| 83P03153 | 15-31 | Bt | S | 1 | -- | -- | 1 | -- | tr | 1 | 100 | 8 | 18 | 21 | 15 | 37 | 8 | 0.63 | 0.36 | 0.140 | 3.3 | 3.4 | 0.16 | 0.16 | ||||
| 83P03154 | 31-46 | Bk1 | S | 3 | -- | -- | 3 | 1 | 1 | 1 | 97 | 13 | 16 | 16 | 19 | 33 | 8 | 0.32 | 0.33 | 0.090 | 1.8 | 1.9 | 0.18 | 0.19 | ||||
| 83P03155 | 46-65 | Bk2 | S | 1 | -- | -- | 1 | -- | 1 | 1 | 99 | 16 | 17 | 19 | 20 | 28 | 9 | 0.32 | 0.31 | 0.070 | 1.4 | 1.4 | 0.13 | 0.14 | ||||
| 83P03156 | 65-95 | Bk3 | S | 1 | -- | -- | 1 | -- | 1 | 1 | 99 | 12 | 25 | 24 | 15 | 22 | 0.32 | 0.30 | 0.060 | 0.2 | 0.2 | 0.02 | 0.02 | |||||
| 83P03157 | 95-130 | B | S | 3 | -- | -- | 3 | 1 | 1 | 1 | 97 | 9 | 28 | 24 | 8 | 29 | 0.36 | 0.31 | 0.090 | 1.2 | 1.4 | 0.09 | 0.09 | |||||
| 83P03158 | 130-160 | By | S | 2 | -- | -- | 2 | 1 | 1 | 1 | 98 | 10 | 25 | 23 | 10 | 30 | 0.30 | 0.35 | 0.120 | 1.7 | 1.7 | 0.10 | 0.10 | |||||
| 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 | -20 | -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 | 3A1a1a | 3A1a1a | 3A1a1a | 4C1a2a | 8E1 | 8A3a | ||||||||||||||||||||
| 83P03151 | 0-5 | Ap1 | S | 13 | 13 | 3 | 38 | 49 | 43 | 1 | 2 | 7 | 18 | 14 | 27 | 30 | 49 | cl | 29.2 | 38.0 | 32.8 | 7.2 | 1.56 | |||
| 83P03152 | 5-15 | Ap2 | S | 10 | 10 | 3 | 41 | 49 | 45 | 1 | 2 | 7 | 19 | 16 | 25 | 30 | 50 | cl | 30.4 | 36.3 | 33.3 | 6.8 | 1.06 | |||
| 83P03153 | 15-31 | Bt | S | 2 | 2 | 2 | 30 | 69 | 81 | 1 | 2 | 5 | 11 | 12 | 36 | 34 | 83 | c | 16.5 | 38.2 | 45.3 | 6.9 | ||||
| 83P03154 | 31-46 | Bk1 | S | 11 | 11 | 8 | 41 | 49 | 51 | 2 | 3 | 8 | 17 | 16 | 24 | 31 | 57 | cl | 28.8 | 34.7 | 36.5 | 7.8 | ||||
| 83P03155 | 46-65 | Bk2 | S | 3 | 3 | 3 | 47 | 50 | 55 | 1 | 3 | 9 | 21 | 14 | 18 | 34 | 56 | cl | 30.7 | 33.3 | 36.0 | 8.0 | ||||
| 83P03156 | 65-95 | Bk3 | S | 3 | 3 | 3 | 31 | 66 | 62 | 1 | 2 | 6 | 13 | 10 | 22 | 46 | 64 | sicl | 19.4 | 41.5 | 39.1 | 8.2 | ||||
| 83P03157 | 95-130 | B | S | 8 | 8 | 5 | 22 | 70 | 60 | 1 | 2 | 4 | 9 | 8 | 24 | 52 | 65 | sicl | 14.2 | 46.5 | 39.3 | 8.2 | 1400 | 1.52 | ||
| 83P03158 | 130-160 | By | S | 6 | 6 | 5 | 26 | 67 | 61 | 1 | 1 | 4 | 12 | 11 | 24 | 48 | 65 | sicl | 17.1 | 43.6 | 39.3 | 7.7 | 3.95 | |||