| *** Primary Characterization Data *** |
| Pedon ID: S2019MD031028 | ( Montgomery, Maryland ) | Print Date: Dec 6 2025 3:05PM |
| Sampled as on Oct 24, 2019: | Huntington ; Fine-silty, mixed, active, mesic Fluventic Hapludoll |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | I2020USMD054 Potomac River Island Project P Index Part 2 | Natural Resources Conservation Service |
| - | Site ID | S2019MD031028 Lat: 39° 3' 12.41" north Long: 77° 17' 24.77" west MLRA: 148 | National Soil Survey Center | |
| - | Pedon No. | 20N0354 | Kellogg 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 |
| 20N01572 | Ap | Ap | 0-15 | S2019MD031028-1 | ||||
| 20N01573 | BA | BA | 15-30 | S2019MD031028-2 | ||||
| 20N01574 | BA | BA | 30-45 | S2019MD031028-3 | ||||
| 20N01575 | Bw | Bw | 45-60 | S2019MD031028-4 | ||||
| 20N01576 | Bw | Bw | 60-75 | S2019MD031028-5 | ||||
| 20N01577 | Ab | Ab | 75-90 | S2019MD031028-6 | ||||
| 20N01578 | B'w1 | B'w1 | 90-105 | S2019MD031028-7 | ||||
| 20N01579 | B'w1 | B'w1 | 105-135 | S2019MD031028-8 | ||||
| 20N01580 | Bw3 | Bw3 | 135-165 | S2019MD031028-9 | ||||
| 20N01581 | Cg | Cg | 165-195 | S2019MD031028-10 | ||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 0 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Weighted averages based on control section: 25-100 cm | |||
| *** Primary Characterization Data *** |
| Pedon ID: S2019MD031028 | ( Montgomery, Maryland ) | Print Date: Dec 6 2025 3:05PM |
| Sampled As | : | Huntington | Fine-silty, mixed, active, mesic Fluventic Hapludoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 20N0354 | |||
| 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 | |||||||||||||||
| 20N01572 | 0-15 | Ap | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01573 | 15-30 | BA | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01574 | 30-45 | BA | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01575 | 45-60 | Bw | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01576 | 60-75 | Bw | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01577 | 75-90 | Ab | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01578 | 90-105 | B'w1 | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01579 | 105-135 | B'w1 | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01580 | 135-165 | Bw3 | S | -- | -- | -- | -- | -- | |||||||||||||
| 20N01581 | 165-195 | Cg | S | -- | -- | -- | -- | -- | |||||||||||||
| 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 | % | ||||||||||
| 3D1 | |||||||||||||||||
| 20N01572 | 0-15 | Ap | S | 1.022 | |||||||||||||
| 20N01573 | 15-30 | BA | S | 1.019 | |||||||||||||
| 20N01574 | 30-45 | BA | S | 1.016 | |||||||||||||
| 20N01575 | 45-60 | Bw | S | 1.015 | |||||||||||||
| 20N01576 | 60-75 | Bw | S | 1.017 | |||||||||||||
| 20N01577 | 75-90 | Ab | S | 1.017 | |||||||||||||
| 20N01578 | 90-105 | B'w1 | S | 1.018 | |||||||||||||
| 20N01579 | 105-135 | B'w1 | S | 1.016 | |||||||||||||
| 20N01580 | 135-165 | Bw3 | S | 1.014 | |||||||||||||
| 20N01581 | 165-195 | Cg | S | 1.016 | |||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2019MD031028 | ( Montgomery, Maryland ) | Print Date: Dec 6 2025 3:05PM |
| Sampled As | : | Huntington | Fine-silty, mixed, active, mesic Fluventic Hapludoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 20N0354 | |||
| 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 | |||||||||||||
| 20N01572 | 0-15 | Ap | S | 6.7 | 6.8 | |||||||||
| 20N01573 | 15-30 | BA | S | 6.6 | 6.8 | |||||||||
| 20N01574 | 30-45 | BA | S | 6.7 | 7.0 | |||||||||
| 20N01575 | 45-60 | Bw | S | 6.8 | 7.0 | |||||||||
| 20N01576 | 60-75 | Bw | S | 6.7 | 7.1 | |||||||||
| 20N01577 | 75-90 | Ab | S | 6.5 | 7.1 | |||||||||
| 20N01578 | 90-105 | B'w1 | S | 6.4 | 7.3 | |||||||||
| 20N01579 | 105-135 | B'w1 | S | 6.9 | 7.1 | |||||||||
| 20N01580 | 135-165 | Bw3 | S | 6.6 | 7.5 | |||||||||
| 20N01581 | 165-195 | Cg | S | 6.8 | 7.1 | |||||||||
| Phosphorous | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - Phosphorous - - - - - - - - - - - - - - - - - - - - -) | KCl | ||||||||||||||
| Melanic | NZ | Acid | Anion Exch Resin | Bray | Bray | Olsen | H2O | Citric | Mehlich | Extr | |||||
| Depth | Index | Oxal | Available | Capacity | 1 | 2 | Acid | III | NO3 | ||||||
| Layer | (cm) | Horz | Prep | % | (- - - - - - - - - - - - - - - - - - - - - - - - - - - mg kg-1 - - - - - - - - - - - - - - - - - - - -) | ||||||||||
| 4D6a1 | |||||||||||||||
| 20N01572 | 0-15 | Ap | S | 44.7 | |||||||||||
| 20N01573 | 15-30 | BA | S | 47.6 | |||||||||||
| 20N01574 | 30-45 | BA | S | 56.0 | |||||||||||
| 20N01575 | 45-60 | Bw | S | 55.4 | |||||||||||
| 20N01576 | 60-75 | Bw | S | 47.1 | |||||||||||
| 20N01577 | 75-90 | Ab | S | 39.1 | |||||||||||
| 20N01578 | 90-105 | B'w1 | S | 32.0 | |||||||||||
| 20N01579 | 105-135 | B'w1 | S | 25.1 | |||||||||||
| 20N01580 | 135-165 | Bw3 | S | 13.4 | |||||||||||
| 20N01581 | 165-195 | Cg | S | 13.7 | |||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2019MD031028 | ( Montgomery, Maryland ) | Print Date: Dec 6 2025 3:05PM |
| Sampled As | : | Huntington | Fine-silty, mixed, active, mesic Fluventic Hapludoll | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 20N0354 | |||
| Major Elements | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| Depth | Al | Ca | Fe | K | Mg | Mn | Na | P | Si | Sr | Ti | Zr | |||
| Layer | (cm) | Horz | Prep | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg |
| 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | ||||
| 20N01572 | 0-15 | Ap | HM | 71144 | 7922 | 37539 | 19143 | 6777 | 1309 | 4280 | 928 | 252910 | 82 | 5911 | 132 |
| 20N01573 | 15-30 | BA | HM | 74708 | 7324 | 39738 | 19832 | 6962 | 1426 | 4633 | 1024 | 268379 | 85 | 6280 | 146 |
| 20N01574 | 30-45 | BA | HM | 72565 | 5848 | 39604 | 18759 | 6848 | 1275 | 4625 | 949 | 248734 | 84 | 6431 | 138 |
| 20N01575 | 45-60 | Bw | HM | 75810 | 5613 | 42159 | 19154 | 7000 | 1241 | 4820 | 920 | 295473 | 92 | 6471 | 136 |
| 20N01576 | 60-75 | Bw | HM | 77317 | 5839 | 42779 | 20649 | 7355 | 1344 | 4682 | 985 | 272388 | 90 | 6497 | 137 |
| 20N01577 | 75-90 | Ab | HM | 81803 | 6009 | 45278 | 21263 | 7858 | 1314 | 4940 | 908 | 270316 | 94 | 6846 | 144 |
| 20N01578 | 90-105 | B'w1 | HM | 84403 | 5695 | 44636 | 21055 | 7716 | 1208 | 4860 | 862 | 270381 | 89 | 6731 | 134 |
| 20N01579 | 105-135 | B'w1 | HM | 82329 | 6248 | 45867 | 21283 | 8137 | 1313 | 5430 | 767 | 259455 | 88 | 7474 | 151 |
| 20N01580 | 135-165 | Bw3 | HM | 75519 | 6120 | 40451 | 20242 | 6909 | 1219 | 5004 | 653 | 248018 | 82 | 7230 | 162 |
| 20N01581 | 165-195 | Cg | HM | 83630 | 5690 | 44529 | 21808 | 8169 | 1296 | 4910 | 654 | 262937 | 76 | 7562 | 132 |