| *** Supplementary Characterization Data *** |
| Pedon ID: 84MT015493 | ( Chouteau, Montana ) | Print Date: Feb 17 2025 2:40AM |
| Sampled as on Jun 1, 1984: | Pendroy ; Very-fine, montmorillonitic, frigid Udorthentic Chromustert |
| Revised to correlated: | PENDROY ; Very-fine, montmorillonitic, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP85MT104 CHOTEAU AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1984MT015493 Lat: 48° 1' 55.67" north Long: 111° 10' 25.15" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 85P0355 | 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 | |||||||||||||||||
| 85P01713 | 0-15 | Ap | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 96 | 86 | 76 | 69 | 100 | 100 | 99 | 97 | 94 | -- | 0.001 | -- | 5.3 | 0.7 | ||
| 85P01714 | 15-41 | Bw1 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 87 | 77 | 70 | 100 | 100 | 99 | 97 | 95 | -- | 0.001 | -- | 5.2 | 0.7 | ||
| 85P01715 | 41-71 | Bw2 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 97 | 90 | 80 | 74 | 100 | 100 | 99 | 98 | 96 | -- | 0.001 | -- | 4.7 | 0.7 | ||
| 85P01716 | 71-97 | Bk | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 94 | 84 | 77 | 100 | 100 | 100 | 99 | 98 | -- | 0.001 | -- | 4.5 | 0.7 | ||
| 85P01717 | 97-127 | C1 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 96 | 82 | 72 | 100 | 100 | 100 | 99 | 99 | -- | 0.001 | -- | 4.9 | 0.7 | ||
| 85P01718 | 127-152 | C2 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 97 | 89 | 84 | 100 | 100 | 100 | 99 | 99 | -- | 0.001 | -- | 3.9 | 0.8 | ||
| 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 | ||||||||||||||||||||||||||||
| 85P01713 | 0-15 | Ap | S | tr | -- | -- | -- | -- | tr | tr | 100 | -- | -- | tr | tr | 100 | 1.451 | |||||||||||||
| 85P01714 | 15-41 | Bw1 | S | tr | -- | -- | -- | -- | -- | tr | 100 | -- | -- | -- | tr | 100 | 1.451 | |||||||||||||
| 85P01715 | 41-71 | Bw2 | S | -- | -- | -- | -- | -- | -- | -- | 100 | -- | -- | -- | -- | 100 | 1.451 | |||||||||||||
| 85P01716 | 71-97 | Bk | S | tr | -- | -- | -- | -- | -- | tr | 100 | -- | -- | -- | tr | 100 | 1.451 | |||||||||||||
| 85P01717 | 97-127 | C1 | S | tr | -- | -- | -- | -- | tr | tr | 100 | -- | -- | tr | tr | 100 | 1.451 | |||||||||||||
| 85P01718 | 127-152 | C2 | S | tr | -- | -- | -- | -- | tr | tr | 100 | -- | -- | tr | tr | 100 | 1.451 | |||||||||||||
| *** Supplementary Characterization Data *** |
| Pedon ID: 84MT015493 | ( Chouteau, Montana ) | Print Date: Feb 17 2025 2:40AM |
| Sampled As | : | Pendroy | Very-fine, montmorillonitic, frigid Udorthentic Chromustert | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 85P0355 | |||
| 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 | ||||||||||||||||||||||||||||
| 85P01713 | 0-15 | Ap | S | tr | -- | -- | -- | -- | tr | tr | 100 | 3 | 14 | 38 | 45 | 0.36 | ||||||||||||
| 85P01714 | 15-41 | Bw1 | S | tr | -- | -- | -- | -- | -- | tr | 100 | 3 | 14 | 38 | 45 | 0.37 | ||||||||||||
| 85P01715 | 41-71 | Bw2 | S | -- | -- | -- | -- | -- | -- | -- | 100 | 2 | 12 | 40 | 45 | 0.33 | ||||||||||||
| 85P01716 | 71-97 | Bk | S | tr | -- | -- | -- | -- | -- | tr | 100 | 1 | 12 | 42 | 45 | 0.34 | ||||||||||||
| 85P01717 | 97-127 | C1 | S | tr | -- | -- | -- | -- | tr | tr | 100 | 1 | 15 | 39 | 45 | 0.35 | ||||||||||||
| 85P01718 | 127-152 | C2 | S | tr | -- | -- | -- | -- | tr | tr | 100 | 8 | 46 | 45 | 0.36 | |||||||||||||
| 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 | ||||||||||||||||||||
| 85P01713 | 0-15 | Ap | S | 19 | 81 | 224 | 1 | 3 | 6 | 9 | 26 | 55 | 224 | c | 5.9 | 25.0 | 69.1 | 7.8 | ||||||||
| 85P01714 | 15-41 | Bw1 | S | 18 | 82 | 231 | tr | 3 | 6 | 9 | 25 | 56 | 231 | c | 5.4 | 24.8 | 69.8 | 8.0 | ||||||||
| 85P01715 | 41-71 | Bw2 | S | 14 | 86 | 285 | tr | 2 | 5 | 7 | 24 | 62 | 285 | c | 3.7 | 22.3 | 74.0 | 8.1 | ||||||||
| 85P01716 | 71-97 | Bk | S | 9 | 91 | 333 | 2 | 3 | 4 | 18 | 74 | 333 | c | 2.0 | 21.1 | 76.9 | 7.8 | 4.27 | ||||||||
| 85P01717 | 97-127 | C1 | S | 4 | 96 | 257 | 1 | 2 | 2 | 10 | 86 | 257 | c | 1.2 | 26.8 | 72.0 | 7.8 | 440 | 4.36 | |||||||
| 85P01718 | 127-152 | C2 | S | 6 | 94 | 529 | 1 | 3 | 2 | 15 | 79 | 529 | c | 0.9 | 15.0 | 84.1 | 7.7 | 4.14 | ||||||||