| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029013a | ( Delta, Colorado ) | Print Date: Feb 16 2026 5:49PM |
| Sampled as on Jun 11, 2013: | unnamed ; Clayey-skeletal, mixed, active, mesic, shallow Typic Haplogypsids |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2013USCO110 Selenium - Mancos Shale Part II | Natural Resources Conservation Service |
| - | Site ID | S2013CO029013a Lat: 38° 37' 21.07" north Long: 107° 53' 19.25" west MLRA: 34B | National Soil Survey Center | |
| - | Pedon No. | 13N96759 | 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 |
| 13N09785 | AC | AC | 0-3 | S2013CO029013a-1 | C | C | ||
| 13N09786 | BCyz1 | BCyz1 | 3-9 | S2013CO029013a-2 | SIL | C | ||
| 13N09787 | BCyz2 | BCyz2 | 9-44 | S2013CO029013a-3 | PGRV-C | C | ||
| 13N09788 | Cr | Cr | 44-51 | S2013CO029013a-4 | WB | SICL | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, total, Weighted Average | 78 | % wt | |
| Clay, carbonate free, Weighted Average | 78 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.69 | (NA) | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 46 | % wt | |
| Weighted averages based on control section: 25-44 cm | |||
| 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 | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | ||||||||||||||
| 13N09785 | 0-3 | AC | S | c | 69.4 | 22.1 | 8.5 | -- | 13.3 | 8.8 | 4.8 | 2.3 | 0.9 | 0.2 | 0.3 | 6 | tr | -- | 9 | 6 | |
| 13N09786 | 3-9 | BCyz1 | S | c | 86.5 | 11.7 | 1.8 | 6.4 | 5.3 | 1.6 | 0.2 | tr | tr | -- | -- | -- | -- | tr | -- | ||
| 13N09787 | 9-44 | BCyz2 | S | c | 78.3 | 8.2 | 13.5 | 4.4 | 3.8 | 7.1 | 6.2 | 0.1 | 0.1 | -- | 31 | 11 | -- | 46 | 42 | ||
| 13N09788 | 44-51 | Cr | GP | sicl | 36.9 | 56.7 | 6.4 | 1.0 | 39.1 | 17.6 | 3.6 | 1.6 | 0.3 | 0.6 | 0.3 | ||||||
| 13N09788 | 44-51 | Cr | S | -- | -- | -- | -- | -- | |||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029013a | ( Delta, Colorado ) | Print Date: Feb 16 2026 5:49PM |
| Sampled As | : | unnamed | Clayey-skeletal, mixed, active, mesic, shallow Typic Haplogypsids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96759 | |||
| 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 | % | ||||||||||
| 3C2a1a | 3D1 | 4E2a1a1a1 | |||||||||||||||
| 13N09785 | 0-3 | AC | S | 26.4 | 1.064 | 1.064 | 0.74 | 0.38 | |||||||||
| 13N09786 | 3-9 | BCyz1 | S | 32.8 | 1.113 | 1.112 | 0.65 | 0.38 | |||||||||
| 13N09787 | 9-44 | BCyz2 | S | 31.2 | 1.095 | 1.094 | 0.69 | 0.40 | |||||||||
| 13N09788 | 44-51 | Cr | GP | 11.0 | 1.040 | 1.040 | |||||||||||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 4H2a | 4H2a | 4H2a | ||||||||||||||||||||
| 13N09785 | 0-3 | AC | S | 0.40 | 0.21 | 0.64 | 0.4 | 2 | ||||||||||||||
| 13N09786 | 3-9 | BCyz1 | S | 0.23 | 0.04 | 4.76 | 0.2 | 5 | ||||||||||||||
| 13N09787 | 9-44 | BCyz2 | S | 0.20 | 0.07 | 4.61 | 0.2 | 3 | ||||||||||||||
| 13N09788 | 44-51 | Cr | GP | 1.05 | -- | 0.60 | 1.0 | |||||||||||||||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B2b1a1 | 4B1a1a | ||||||||||||
| 13N09785 | 0-3 | AC | S | 40.6* | 11.0 | 56.0 | 3.0 | 110.6 | 4.2 | 51.6 | 100 | ||||||
| 13N09786 | 3-9 | BCyz1 | S | 6.3* | 172.6 | 186.3 | 2.5 | 367.7 | 10.7 | 56.1 | 100 | ||||||
| 13N09787 | 9-44 | BCyz2 | S | 1.8* | 147.1 | 213.7 | 2.0 | 364.6 | 11.6 | 53.8 | 100 | ||||||
| 13N09788 | 44-51 | Cr | GP | 10.7 | 25.5 | 32.1 | 1.4 | 24.9 | |||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029013a | ( Delta, Colorado ) | Print Date: Feb 16 2026 5:49PM |
| Sampled As | : | unnamed | Clayey-skeletal, mixed, active, mesic, shallow Typic Haplogypsids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96759 | |||
| Salt | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -) | 1:2 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F1a1a1 | |||||||
| 13N09785 | 0-3 | AC | S | 18.7 | 7.7 | 130.8 | 1.3 | -- | 1.0 | -- | -- | -- | -- | -- | 146.7 | -- | 2.6 | 175.2 | 1.5 | 10.87 | 11.96 | 64 | 36 |
| 13N09786 | 3-9 | BCyz1 | S | 15.0 | 1560.0 | 1294.0 | 11.5 | -- | 1.8 | -- | -- | -- | -- | -- | 2723.6 | -- | 9.9 | 97.9 | 5.2 | 57.50 | 42.90 | 100* | 46 |
| 13N09787 | 9-44 | BCyz2 | S | 6.8 | 1010.0 | 1223.0 | 8.1 | -- | 1.2 | -- | 6.0 | -- | -- | -- | 2087.1 | -- | 23.9 | 116.1 | 6.1 | 56.70 | 41.90 | 100* | 54 |
| 13N09788 | 44-51 | Cr | GP | 21.1 | 241.0 | 386.2 | 3.9 | -- | 2.4 | -- | 0.9 | -- | -- | -- | 604.4 | 0.1 | 3.9 | 38.1 | 28.50 | 9.37 | |||
| 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 | 4F2 | 4E1a1a1a1 | 4E2a1a1a1 | ||||||||||
| 13N09785 | 0-3 | AC | S | 7.7 | 7.7 | 7.8 | tr | tr | ||||||
| 13N09786 | 3-9 | BCyz1 | S | 6.3 | 6.2 | 6.3 | 1 | |||||||
| 13N09787 | 9-44 | BCyz2 | S | 5.5 | 5.4 | 5.5 | 1 | |||||||
| 13N09788 | 44-51 | Cr | GP | 7.7 | 7.7 | 7.5 | tr | -- | ||||||
| Trace Elements Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| Depth | Ag | As | Ba | Be | Cd | Co | Cr | Cu | Mn | Mo | Hg | ||||
| Layer | (cm) | Horz | Prep | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | ug/kg | |
| 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | |||||
| 13N09785 | 0-3 | AC | HM | 0.13 | 13.04 | 73.02 | 2.03 | 0.18 | 2.72 | 9.39 | 7.58 | 113.68 | 3.56 | 3 | |
| 13N09786 | 3-9 | BCyz1 | HM | 0.09 | 8.84 | 37.41 | 1.15 | 0.02 | 0.58 | 0.76 | 2.66 | 33.04 | 2.22 | 19 | |
| 13N09787 | 9-44 | BCyz2 | HM | 0.11 | 10.64 | 39.89 | 0.91 | 0.01 | 0.50 | 0.10 | 2.49 | 48.59 | 4.00 | 26 | |
| 13N09788 | 44-51 | Cr | GP | 0.10 | 7.69 | 94.00 | 2.91 | 0.20 | 3.55 | 29.66 | 11.67 | 57.17 | 1.17 | 17 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029013a | ( Delta, Colorado ) | Print Date: Feb 16 2026 5:49PM |
| Sampled As | : | unnamed | Clayey-skeletal, mixed, active, mesic, shallow Typic Haplogypsids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96759 | |||
| Trace Elements Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| Depth | Ni | P | Pb | Sb | Se | Sn | Sr | Tl | V | W | Zn | |||
| Layer | (cm) | Horz | Prep | mg/kg | mg/kg | mg/kg | mg/kg | ug/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg |
| 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | |||||
| 13N09785 | 0-3 | AC | HM | 8.30 | 365.43 | 35.49 | 0.94 | 415.57 | 6.79 | 82.13 | 19.25 | 0.02 | 74.51 | |
| 13N09786 | 3-9 | BCyz1 | HM | 1.71 | 220.81 | 24.74 | 0.66 | 708.66 | 6.86 | 65.71 | 3.62 | -- | 27.10 | |
| 13N09787 | 9-44 | BCyz2 | HM | 1.38 | 240.50 | 24.53 | 0.58 | 1853.89 | 5.41 | 85.25 | 2.49 | 0.01 | 24.62 | |
| 13N09788 | 44-51 | Cr | GP | 12.99 | 475.32 | 24.77 | 0.53 | 516.91 | 2.03 | 41.32 | 51.99 | -- | 82.66 | |
| 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 | ||||
| 13N09785 | 0-3 | AC | HM | 85189 | 8721 | 17399 | 16162 | 12292 | 110 | 15755 | 423 | 258783 | 112 | 1510 | 154 |
| 13N09786 | 3-9 | BCyz1 | HM | 86483 | 3224 | 12272 | 14582 | 31439 | 32 | 35512 | 276 | 197709 | 77 | 906 | 150 |
| 13N09787 | 9-44 | BCyz2 | HM | 91902 | 3503 | 12837 | 14357 | 27559 | 50 | 44023 | 223 | 203199 | 108 | 981 | 152 |
| 13N09788 | 44-51 | Cr | GP | 54084 | 4540 | 18166 | 16976 | 10334 | 64 | 9785 | 571 | 318776 | 81 | 2496 | 115 |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029013a | ( Delta, Colorado ) | Print Date: Feb 16 2026 5:49PM |
| Sampled As | : | unnamed | Clayey-skeletal, mixed, active, mesic, shallow Typic Haplogypsids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96759 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A1b1 | 7A2a | tion | |||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 13N09787 | 9.0-44.0 | BCyz2 | tcly | MT 5 | KK 1 | KK 17 | CA 4 | SMEC | |||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| CA Calcite | KK Kaolinite | MT Montmorillonite | ||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |
| INTERPRETATION (BY HORIZON): | ||||
| SMEC - Smectitic | ||||