| *** Supplementary Characterization Data *** |
| Pedon ID: 81WA059005 | ( Skamania, Washington ) | Print Date: Nov 13 2025 12:46PM |
| Sampled as on Feb 1, 1981: | Pelee ; Cindery Entic Cryandept |
| Revised to correlated: | Pelee ; Ashy over pumiceous or cindery Typic Vitricryands |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP81WA242 MOUNT ST HELENS | Natural Resources Conservation Service |
| - | Site ID | S1981WA059005 Lat: 46° 11' 0.00" north Long: 122° 4' 45.01" west MLRA: 3 | National Soil Survey Center | |
| - | Pedon No. | 81P0543 | 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 | |||||||||||||||||
| 81P03218 | 0-7 | C | S | 100 | 99 | 99 | 98 | 98 | 93 | 87 | 79 | 63 | 35 | 15 | 7 | 1 | 73 | 66 | 55 | 40 | 29 | 0.34 | 0.181 | 0.009 | 39.5 | 1.0 | ||
| 81P03219 | 7-11 | 2A | S | 100 | 100 | 100 | 100 | 100 | 99 | 97 | 91 | 75 | 48 | 19 | 8 | 1 | 83 | 77 | 69 | 55 | 39 | 0.14 | 0.082 | 0.006 | 22.5 | 1.3 | ||
| 81P03220 | 11-16 | 2Bw | S | 100 | 100 | 100 | 100 | 100 | 99 | 98 | 95 | 88 | 64 | 29 | 13 | 2 | 93 | 90 | 83 | 71 | 53 | 0.07 | 0.044 | 0.004 | 16.5 | 1.7 | ||
| 81P03223 | 36-40 | 3C3 | S | 100 | 100 | 100 | 100 | 100 | 96 | 91 | 85 | 63 | 42 | 19 | 8 | 1 | 78 | 65 | 58 | 47 | 35 | 0.31 | 0.129 | 0.006 | 48.1 | 0.7 | ||
| 81P03225 | 65-70 | 4C5 | S | 100 | 99 | 98 | 97 | 96 | 92 | 87 | 82 | 44 | 13 | 10 | 5 | 1 | 77 | 51 | 22 | 14 | 12 | 0.63 | 0.484 | 0.019 | 33.7 | 7.6 | ||
| 81P03226 | 70-80 | 4C6 | S | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 98 | 87 | 42 | 26 | 12 | 3 | 97 | 91 | 76 | 46 | 36 | 0.15 | 0.112 | 0.004 | 37.0 | 1.4 | ||
| 81P03227 | 80-100 | 5Bwb | S | 100 | 100 | 100 | 100 | 100 | 99 | 97 | 92 | 74 | 28 | 12 | 5 | 1 | 85 | 78 | 63 | 33 | 20 | 0.23 | 0.168 | 0.013 | 17.7 | 2.3 | ||
| 81P03230 | 135-147 | 8Bwb | S | 100 | 100 | 100 | 100 | 100 | 95 | 89 | 67 | 37 | 22 | 11 | 5 | 1 | 48 | 39 | 34 | 25 | 18 | 1.56 | 1.086 | 0.016 | 95.9 | 1.1 | ||
| 81P03231 | 147-166 | 9BCb1 | S | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 96 | 80 | 39 | 16 | 1 | 99 | 97 | 94 | 86 | 70 | 0.04 | 0.028 | 0.003 | 10.6 | 1.1 | ||
| *** Supplementary Characterization Data *** |
| Pedon ID: 81WA059005 | ( Skamania, Washington ) | Print Date: Nov 13 2025 12:46PM |
| Sampled As | : | Pelee | Cindery Entic Cryandept | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0543 | |||
| 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 | ||||||||||||||||||||||||||
| 81P03218 | 0-7 | C | S | 21 | -- | -- | 21 | 2 | 11 | 8 | 79 | 21 | 2 | 11 | 8 | 79 | 1.152 | |||||||||||||
| 81P03219 | 7-11 | 2A | S | 9 | -- | -- | 9 | -- | 3 | 6 | 91 | 9 | -- | 3 | 6 | 91 | 0.532 | |||||||||||||
| 81P03220 | 11-16 | 2Bw | S | 5 | -- | -- | 5 | -- | 2 | 3 | 95 | 5 | -- | 2 | 3 | 95 | 0.622 | |||||||||||||
| 81P03221 | 16-32 | 3C1 | S | tr | -- | -- | -- | -- | -- | tr | 100 | -- | -- | tr | tr | 100 | 1.102 | |||||||||||||
| 81P03222 | 32-36 | 3C2 | S | 60 | -- | -- | 60 | 2 | 29 | 29 | 40 | 60 | 2 | 29 | 29 | 40 | 1.602 | |||||||||||||
| 81P03223 | 36-40 | 3C3 | S | 15 | -- | -- | 15 | tr | 9 | 6 | 85 | 15 | tr | 9 | 6 | 85 | 0.792 | |||||||||||||
| 81P03224 | 40-65 | 4C4 | S | 92 | -- | -- | 92 | 19 | 58 | 15 | 8 | 92 | 19 | 58 | 15 | 8 | 2.292 | |||||||||||||
| 81P03225 | 65-70 | 4C5 | S | 18 | -- | -- | 18 | 4 | 9 | 5 | 82 | 18 | 4 | 9 | 5 | 82 | 1.132 | |||||||||||||
| 81P03226 | 70-80 | 4C6 | S | 2 | -- | -- | 2 | -- | 1 | 1 | 98 | 2 | -- | 1 | 1 | 98 | 1.012 | |||||||||||||
| 81P03227 | 80-100 | 5Bwb | S | 8 | -- | -- | 8 | -- | 3 | 5 | 92 | 8 | -- | 3 | 5 | 92 | 1.12 | 1.12 | 1.33 | 1.70 | 1.07 | 1.07 | 1.07 | 1.29 | 1.67 | 1.37 | 1.48 | |||
| 81P03228 | 100-110 | 6C | S | 2 | 23 | 20 | ||||||||||||||||||||||||
| 81P03229 | 110-135 | 7Ab | S | 2 | -- | -- | 2 | -- | 1 | 1 | 98 | 2 | -- | 1 | 1 | 98 | 1.012 | |||||||||||||
| 81P03230 | 135-147 | 8Bwb | S | 33 | -- | -- | 33 | -- | 11 | 22 | 67 | 33 | -- | 11 | 22 | 67 | 1.37 | 1.40 | 1.55 | 1.85 | 1.11 | 1.13 | 1.14 | 1.32 | 1.69 | 0.93 | 1.39 | |||
| 81P03231 | 147-166 | 9BCb1 | S | tr | -- | -- | -- | -- | tr | tr | 100 | -- | -- | tr | tr | 100 | 1.002 | |||||||||||||
| 81P03232 | 166-190 | 9BCb2 | S | 9 | -- | -- | 9 | -- | 4 | 5 | 91 | 9 | -- | 4 | 5 | 91 | 1.062 | |||||||||||||
| *** Supplementary Characterization Data *** |
| Pedon ID: 81WA059005 | ( Skamania, Washington ) | Print Date: Nov 13 2025 12:46PM |
| Sampled As | : | Pelee | Cindery Entic Cryandept | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0543 | |||
| 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 | |||||||||||||||||||||||||||
| 81P03218 | 0-7 | C | S | 9 | -- | -- | 9 | 1 | 5 | 3 | 91 | 22 | 12 | 1 | 57 | 7.18 | 3.35 | |||||||||||
| 81P03219 | 7-11 | 2A | S | 2 | -- | -- | 2 | -- | 1 | 1 | 98 | 11 | 8 | 80 | 27.07 | 19.73 | ||||||||||||
| 81P03220 | 11-16 | 2Bw | S | 1 | -- | -- | 1 | -- | 2 | 1 | 99 | 10 | 12 | 77 | 6.62 | 2.48 | ||||||||||||
| 81P03221 | 16-32 | 3C1 | S | tr | -- | -- | -- | -- | -- | tr | 100 | 34 | 7 | 58 | ||||||||||||||
| 81P03222 | 32-36 | 3C2 | S | 36 | -- | -- | 36 | 1 | 17 | 17 | 64 | 23 | 1 | 40 | ||||||||||||||
| 81P03223 | 36-40 | 3C3 | S | 4 | -- | -- | 4 | tr | 3 | 2 | 96 | 15 | 10 | 70 | 3.88 | |||||||||||||
| 81P03224 | 40-65 | 4C4 | S | 79 | -- | -- | 79 | 16 | 50 | 13 | 21 | 7 | 14 | |||||||||||||||
| 81P03225 | 65-70 | 4C5 | S | 8 | -- | -- | 8 | 2 | 4 | 2 | 92 | 30 | 5 | 57 | 2.58 | 1.58 | ||||||||||||
| 81P03226 | 70-80 | 4C6 | S | 1 | -- | -- | 1 | -- | 1 | 1 | 99 | 24 | 13 | 1 | 62 | 2.21 | 1.11 | |||||||||||
| 81P03227 | 80-100 | 5Bwb | S | 3 | -- | -- | 3 | -- | 1 | 2 | 97 | 30 | 8 | 37 | 21 | 8.67 | 4.17 | 0.16 | 0.16 | |||||||||
| 81P03229 | 110-135 | 7Ab | S | 1 | -- | -- | 1 | -- | 1 | 1 | 99 | 27 | 10 | 62 | ||||||||||||||
| 81P03230 | 135-147 | 8Bwb | S | 17 | -- | -- | 17 | -- | 6 | 12 | 83 | 26 | 9 | 30 | 18 | 6.00 | 4.58 | 0.750 | 0.5 | 0.6 | 0.12 | 0.15 | ||||||
| 81P03231 | 147-166 | 9BCb1 | S | tr | -- | -- | -- | -- | tr | tr | 100 | 11 | 26 | 62 | 6.63 | |||||||||||||
| 81P03232 | 166-190 | 9BCb2 | S | 4 | -- | -- | 4 | -- | 2 | 2 | 96 | 26 | 11 | 60 | ||||||||||||||
| *** Supplementary Characterization Data *** |
| Pedon ID: 81WA059005 | ( Skamania, Washington ) | Print Date: Nov 13 2025 12:46PM |
| Sampled As | : | Pelee | Cindery Entic Cryandept | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0543 | |||
| 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 | 3A1a1a | 3A1a1a | 3A1a1a | 4C1a2a | ||||||||||||||||||||||
| 81P03218 | 0-7 | C | S | 21 | 21 | 19 | 51 | 28 | 1 | 8 | 9 | 14 | 19 | 14 | 18 | 18 | 2 | sl | 63.3 | 35.0 | 1.7 | 4.9 | ||||
| 81P03219 | 7-11 | 2A | S | 9 | 9 | 9 | 53 | 38 | 1 | 9 | 6 | 10 | 16 | 18 | 22 | 19 | 2 | fsl | 57.5 | 41.0 | 1.5 | |||||
| 81P03220 | 11-16 | 2Bw | S | 5 | 5 | 5 | 43 | 52 | 2 | 2 | 3 | 8 | 13 | 19 | 26 | 29 | 2 | sil | 44.1 | 53.8 | 2.1 | 4.6 | ||||
| 81P03221 | 16-32 | 3C1 | S | 83 | 17 | 1 | 6 | 30 | 36 | 10 | 7 | 10 | ls | 82.9 | 17.1 | -- | 4.9 | |||||||||
| 81P03222 | 32-36 | 3C2 | S | 60 | 60 | 58 | 38 | 2 | 40 | 40 | 10 | 4 | 1 | 2 | 4 | cos | 94.5 | 5.5 | -- | 5.1 | ||||||
| 81P03223 | 36-40 | 3C3 | S | 15 | 15 | 15 | 50 | 35 | 1 | 8 | 16 | 9 | 13 | 14 | 19 | 22 | 1 | sl | 58.6 | 40.6 | 0.8 | 5.1 | ||||
| 81P03224 | 40-65 | 4C4 | S | 92 | 92 | 73 | 8 | tr | 41 | 44 | 6 | 4 | 2 | tr | 4 | cos | 96.3 | 3.7 | -- | 5.0 | ||||||
| 81P03225 | 65-70 | 4C5 | S | 18 | 18 | 14 | 71 | 11 | 1 | 7 | 31 | 36 | 10 | 3 | 2 | 11 | 1 | cos | 85.9 | 12.9 | 1.2 | 5.3 | ||||
| 81P03226 | 70-80 | 4C6 | S | 2 | 2 | 2 | 64 | 34 | 3 | 2 | 5 | 16 | 31 | 11 | 11 | 24 | 3 | fsl | 63.3 | 33.9 | 2.8 | 5.3 | ||||
| 81P03227 | 80-100 | 5Bwb | S | 8 | 8 | 8 | 73 | 19 | 1 | 8 | 7 | 17 | 32 | 14 | 9 | 12 | 1 | ls | 78.0 | 20.8 | 1.2 | 5.7 | ||||
| 81P03228 | 100-110 | 6C | S | 5.6 | ||||||||||||||||||||||
| 81P03229 | 110-135 | 7Ab | S | 2 | 2 | 2 | 71 | 27 | 2 | 6 | 19 | 31 | 14 | 12 | 16 | ls | 72.2 | 27.8 | -- | 5.8 | ||||||
| 81P03230 | 135-147 | 8Bwb | S | 33 | 33 | 33 | 49 | 18 | 1 | 29 | 14 | 8 | 12 | 11 | 11 | 15 | 1 | lcos | 72.6 | 26.2 | 1.2 | 6.2 | ||||
| 81P03231 | 147-166 | 9BCb1 | S | 30 | 70 | 1 | 1 | 2 | 4 | 8 | 16 | 32 | 38 | 1 | sil | 29.8 | 69.4 | 0.8 | 6.1 | |||||||
| 81P03232 | 166-190 | 9BCb2 | S | 9 | 9 | 9 | 64 | 27 | 8 | 16 | 20 | 16 | 10 | 11 | 19 | sl | 69.9 | 30.1 | -- | 5.8 | ||||||